Home / 56,959,731.72-78,604,807.32-30,854,249.28

Finding the Fourth Proportional to 56,959,731.72, 78,604,807.32 and 30,854,249.28

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Solution

The fourth proportional to 56,959,731.72, 78,604,807.32 and 30,854,249.28 is: 42,579,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959,731.72 : 78,604,807.32 = 30,854,249.28 : x
  2. Step 2: Convert to fraction form
    56,959,731.72/78,604,807.32 = 30,854,249.28/x
  3. Step 3: Cross multiply
    56,959,731.72x = 78,604,807.32 × 30,854,249.28
  4. Step 4: Simplify right side
    56,959,731.72x = 2,425,292,319,657,648.50
  5. Step 5: Solve for x
    x = 2,425,292,319,657,648.50/56,959,731.72
  6. Step 6: Final answer
    x = 42,579,068.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.