Home / 74,265.40-111,507.45-57,644.20

Finding the Fourth Proportional to 74,265.40, 111,507.45 and 57,644.20

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Solution

The fourth proportional to 74,265.40, 111,507.45 and 57,644.20 is: 86,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,265.40 : 111,507.45 = 57,644.20 : x
  2. Step 2: Convert to fraction form
    74,265.40/111,507.45 = 57,644.20/x
  3. Step 3: Cross multiply
    74,265.40x = 111,507.45 × 57,644.20
  4. Step 4: Simplify right side
    74,265.40x = 6,427,757,749.29
  5. Step 5: Solve for x
    x = 6,427,757,749.29/74,265.40
  6. Step 6: Final answer
    x = 86,551.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.