Home / 73,289.48-101,140.02-39,755.72

Finding the Fourth Proportional to 73,289.48, 101,140.02 and 39,755.72

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Solution

The fourth proportional to 73,289.48, 101,140.02 and 39,755.72 is: 54,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,289.48 : 101,140.02 = 39,755.72 : x
  2. Step 2: Convert to fraction form
    73,289.48/101,140.02 = 39,755.72/x
  3. Step 3: Cross multiply
    73,289.48x = 101,140.02 × 39,755.72
  4. Step 4: Simplify right side
    73,289.48x = 4,020,894,315.91
  5. Step 5: Solve for x
    x = 4,020,894,315.91/73,289.48
  6. Step 6: Final answer
    x = 54,863.19

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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.