Home / 89,515.86-134,273.80-42,626.58

Finding the Fourth Proportional to 89,515.86, 134,273.80 and 42,626.58

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Solution

The fourth proportional to 89,515.86, 134,273.80 and 42,626.58 is: 63,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,515.86 : 134,273.80 = 42,626.58 : x
  2. Step 2: Convert to fraction form
    89,515.86/134,273.80 = 42,626.58/x
  3. Step 3: Cross multiply
    89,515.86x = 134,273.80 × 42,626.58
  4. Step 4: Simplify right side
    89,515.86x = 5,723,632,877.60
  5. Step 5: Solve for x
    x = 5,723,632,877.60/89,515.86
  6. Step 6: Final answer
    x = 63,939.87

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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.