Home / 74,436.36-102,726.77-42,604.53

Finding the Fourth Proportional to 74,436.36, 102,726.77 and 42,604.53

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Solution

The fourth proportional to 74,436.36, 102,726.77 and 42,604.53 is: 58,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.36 : 102,726.77 = 42,604.53 : x
  2. Step 2: Convert to fraction form
    74,436.36/102,726.77 = 42,604.53/x
  3. Step 3: Cross multiply
    74,436.36x = 102,726.77 × 42,604.53
  4. Step 4: Simplify right side
    74,436.36x = 4,376,625,754.27
  5. Step 5: Solve for x
    x = 4,376,625,754.27/74,436.36
  6. Step 6: Final answer
    x = 58,796.88

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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.