Home / 54,352.67-81,436.05-42,501.86

Finding the Fourth Proportional to 54,352.67, 81,436.05 and 42,501.86

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Solution

The fourth proportional to 54,352.67, 81,436.05 and 42,501.86 is: 63,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.67 : 81,436.05 = 42,501.86 : x
  2. Step 2: Convert to fraction form
    54,352.67/81,436.05 = 42,501.86/x
  3. Step 3: Cross multiply
    54,352.67x = 81,436.05 × 42,501.86
  4. Step 4: Simplify right side
    54,352.67x = 3,461,183,905.90
  5. Step 5: Solve for x
    x = 3,461,183,905.90/54,352.67
  6. Step 6: Final answer
    x = 63,680.11

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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.