Home / 99,454.03-137,235.32-58,615.49

Finding the Fourth Proportional to 99,454.03, 137,235.32 and 58,615.49

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Solution

The fourth proportional to 99,454.03, 137,235.32 and 58,615.49 is: 80,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,454.03 : 137,235.32 = 58,615.49 : x
  2. Step 2: Convert to fraction form
    99,454.03/137,235.32 = 58,615.49/x
  3. Step 3: Cross multiply
    99,454.03x = 137,235.32 × 58,615.49
  4. Step 4: Simplify right side
    99,454.03x = 8,044,115,577.12
  5. Step 5: Solve for x
    x = 8,044,115,577.12/99,454.03
  6. Step 6: Final answer
    x = 80,882.75

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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.