Home / 88,640.10-133,046.55-44,316.90

Finding the Fourth Proportional to 88,640.10, 133,046.55 and 44,316.90

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Solution

The fourth proportional to 88,640.10, 133,046.55 and 44,316.90 is: 66,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.10 : 133,046.55 = 44,316.90 : x
  2. Step 2: Convert to fraction form
    88,640.10/133,046.55 = 44,316.90/x
  3. Step 3: Cross multiply
    88,640.10x = 133,046.55 × 44,316.90
  4. Step 4: Simplify right side
    88,640.10x = 5,896,210,651.70
  5. Step 5: Solve for x
    x = 5,896,210,651.70/88,640.10
  6. Step 6: Final answer
    x = 66,518.55

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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.