Home / 56,563.07-78,057.66-31,070.03

Finding the Fourth Proportional to 56,563.07, 78,057.66 and 31,070.03

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Solution

The fourth proportional to 56,563.07, 78,057.66 and 31,070.03 is: 42,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,563.07 : 78,057.66 = 31,070.03 : x
  2. Step 2: Convert to fraction form
    56,563.07/78,057.66 = 31,070.03/x
  3. Step 3: Cross multiply
    56,563.07x = 78,057.66 × 31,070.03
  4. Step 4: Simplify right side
    56,563.07x = 2,425,253,447.64
  5. Step 5: Solve for x
    x = 2,425,253,447.64/56,563.07
  6. Step 6: Final answer
    x = 42,876.98

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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.