Home / 57,530.10-85,833.03-51,215.13

Finding the Fourth Proportional to 57,530.10, 85,833.03 and 51,215.13

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Solution

The fourth proportional to 57,530.10, 85,833.03 and 51,215.13 is: 76,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,530.10 : 85,833.03 = 51,215.13 : x
  2. Step 2: Convert to fraction form
    57,530.10/85,833.03 = 51,215.13/x
  3. Step 3: Cross multiply
    57,530.10x = 85,833.03 × 51,215.13
  4. Step 4: Simplify right side
    57,530.10x = 4,395,949,789.74
  5. Step 5: Solve for x
    x = 4,395,949,789.74/57,530.10
  6. Step 6: Final answer
    x = 76,411.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.