Home / 74,436.95-102,727.59-42,605.12

Finding the Fourth Proportional to 74,436.95, 102,727.59 and 42,605.12

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Solution

The fourth proportional to 74,436.95, 102,727.59 and 42,605.12 is: 58,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.95 : 102,727.59 = 42,605.12 : x
  2. Step 2: Convert to fraction form
    74,436.95/102,727.59 = 42,605.12/x
  3. Step 3: Cross multiply
    74,436.95x = 102,727.59 × 42,605.12
  4. Step 4: Simplify right side
    74,436.95x = 4,376,721,299.26
  5. Step 5: Solve for x
    x = 4,376,721,299.26/74,436.95
  6. Step 6: Final answer
    x = 58,797.70

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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.