Home / 89,542.98-123,527.88-53,670.74

Finding the Fourth Proportional to 89,542.98, 123,527.88 and 53,670.74

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Solution

The fourth proportional to 89,542.98, 123,527.88 and 53,670.74 is: 74,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.98 : 123,527.88 = 53,670.74 : x
  2. Step 2: Convert to fraction form
    89,542.98/123,527.88 = 53,670.74/x
  3. Step 3: Cross multiply
    89,542.98x = 123,527.88 × 53,670.74
  4. Step 4: Simplify right side
    89,542.98x = 6,629,832,112.59
  5. Step 5: Solve for x
    x = 6,629,832,112.59/89,542.98
  6. Step 6: Final answer
    x = 74,040.78

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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.