Home / 74,098.80-102,257.15-42,269.58

Finding the Fourth Proportional to 74,098.80, 102,257.15 and 42,269.58

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Solution

The fourth proportional to 74,098.80, 102,257.15 and 42,269.58 is: 58,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,098.80 : 102,257.15 = 42,269.58 : x
  2. Step 2: Convert to fraction form
    74,098.80/102,257.15 = 42,269.58/x
  3. Step 3: Cross multiply
    74,098.80x = 102,257.15 × 42,269.58
  4. Step 4: Simplify right side
    74,098.80x = 4,322,366,782.50
  5. Step 5: Solve for x
    x = 4,322,366,782.50/74,098.80
  6. Step 6: Final answer
    x = 58,332.48

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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.