Home / 94,045.24-129,620.82-89,616.16

Finding the Fourth Proportional to 94,045.24, 129,620.82 and 89,616.16

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Solution

The fourth proportional to 94,045.24, 129,620.82 and 89,616.16 is: 123,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,045.24 : 129,620.82 = 89,616.16 : x
  2. Step 2: Convert to fraction form
    94,045.24/129,620.82 = 89,616.16/x
  3. Step 3: Cross multiply
    94,045.24x = 129,620.82 × 89,616.16
  4. Step 4: Simplify right side
    94,045.24x = 11,616,120,144.45
  5. Step 5: Solve for x
    x = 11,616,120,144.45/94,045.24
  6. Step 6: Final answer
    x = 123,516.30

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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.