Home / 73,970.26-102,073.44-42,132.94

Finding the Fourth Proportional to 73,970.26, 102,073.44 and 42,132.94

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Solution

The fourth proportional to 73,970.26, 102,073.44 and 42,132.94 is: 58,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,970.26 : 102,073.44 = 42,132.94 : x
  2. Step 2: Convert to fraction form
    73,970.26/102,073.44 = 42,132.94/x
  3. Step 3: Cross multiply
    73,970.26x = 102,073.44 × 42,132.94
  4. Step 4: Simplify right side
    73,970.26x = 4,300,654,123.11
  5. Step 5: Solve for x
    x = 4,300,654,123.11/73,970.26
  6. Step 6: Final answer
    x = 58,140.31

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1.5x scale

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.