Home / 89,702.87-134,477.96-39,755.75

Finding the Fourth Proportional to 89,702.87, 134,477.96 and 39,755.75

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Solution

The fourth proportional to 89,702.87, 134,477.96 and 39,755.75 is: 59,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,702.87 : 134,477.96 = 39,755.75 : x
  2. Step 2: Convert to fraction form
    89,702.87/134,477.96 = 39,755.75/x
  3. Step 3: Cross multiply
    89,702.87x = 134,477.96 × 39,755.75
  4. Step 4: Simplify right side
    89,702.87x = 5,346,271,287.10
  5. Step 5: Solve for x
    x = 5,346,271,287.10/89,702.87
  6. Step 6: Final answer
    x = 59,599.78

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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.