Home / 89,432.02-123,364.79-55,839.70

Finding the Fourth Proportional to 89,432.02, 123,364.79 and 55,839.70

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Solution

The fourth proportional to 89,432.02, 123,364.79 and 55,839.70 is: 77,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.02 : 123,364.79 = 55,839.70 : x
  2. Step 2: Convert to fraction form
    89,432.02/123,364.79 = 55,839.70/x
  3. Step 3: Cross multiply
    89,432.02x = 123,364.79 × 55,839.70
  4. Step 4: Simplify right side
    89,432.02x = 6,888,652,247.34
  5. Step 5: Solve for x
    x = 6,888,652,247.34/89,432.02
  6. Step 6: Final answer
    x = 77,026.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.