Home / 74,436.42-102,726.86-42,604.59

Finding the Fourth Proportional to 74,436.42, 102,726.86 and 42,604.59

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Solution

The fourth proportional to 74,436.42, 102,726.86 and 42,604.59 is: 58,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.42 : 102,726.86 = 42,604.59 : x
  2. Step 2: Convert to fraction form
    74,436.42/102,726.86 = 42,604.59/x
  3. Step 3: Cross multiply
    74,436.42x = 102,726.86 × 42,604.59
  4. Step 4: Simplify right side
    74,436.42x = 4,376,635,539.26
  5. Step 5: Solve for x
    x = 4,376,635,539.26/74,436.42
  6. Step 6: Final answer
    x = 58,796.96

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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.