Home / 54,353.17-81,436.80-42,502.37

Finding the Fourth Proportional to 54,353.17, 81,436.80 and 42,502.37

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Solution

The fourth proportional to 54,353.17, 81,436.80 and 42,502.37 is: 63,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.17 : 81,436.80 = 42,502.37 : x
  2. Step 2: Convert to fraction form
    54,353.17/81,436.80 = 42,502.37/x
  3. Step 3: Cross multiply
    54,353.17x = 81,436.80 × 42,502.37
  4. Step 4: Simplify right side
    54,353.17x = 3,461,256,598.03
  5. Step 5: Solve for x
    x = 3,461,256,598.03/54,353.17
  6. Step 6: Final answer
    x = 63,680.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.