Home / 89,506.98-123,520.51-49,221.02

Finding the Fourth Proportional to 89,506.98, 123,520.51 and 49,221.02

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Solution

The fourth proportional to 89,506.98, 123,520.51 and 49,221.02 is: 67,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,506.98 : 123,520.51 = 49,221.02 : x
  2. Step 2: Convert to fraction form
    89,506.98/123,520.51 = 49,221.02/x
  3. Step 3: Cross multiply
    89,506.98x = 123,520.51 × 49,221.02
  4. Step 4: Simplify right side
    89,506.98x = 6,079,805,493.12
  5. Step 5: Solve for x
    x = 6,079,805,493.12/89,506.98
  6. Step 6: Final answer
    x = 67,925.49

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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.