Home / 56,359.04-77,775.54-31,208

Finding the Fourth Proportional to 56,359.04, 77,775.54 and 31,208

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Solution

The fourth proportional to 56,359.04, 77,775.54 and 31,208 is: 43,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.04 : 77,775.54 = 31,208 : x
  2. Step 2: Convert to fraction form
    56,359.04/77,775.54 = 31,208/x
  3. Step 3: Cross multiply
    56,359.04x = 77,775.54 × 31,208
  4. Step 4: Simplify right side
    56,359.04x = 2,427,219,052.32
  5. Step 5: Solve for x
    x = 2,427,219,052.32/56,359.04
  6. Step 6: Final answer
    x = 43,067.08

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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.