Home / 74,436.17-102,726.51-42,604.34

Finding the Fourth Proportional to 74,436.17, 102,726.51 and 42,604.34

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Solution

The fourth proportional to 74,436.17, 102,726.51 and 42,604.34 is: 58,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.17 : 102,726.51 = 42,604.34 : x
  2. Step 2: Convert to fraction form
    74,436.17/102,726.51 = 42,604.34/x
  3. Step 3: Cross multiply
    74,436.17x = 102,726.51 × 42,604.34
  4. Step 4: Simplify right side
    74,436.17x = 4,376,595,159.05
  5. Step 5: Solve for x
    x = 4,376,595,159.05/74,436.17
  6. Step 6: Final answer
    x = 58,796.62

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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.