Home / 89,937.12-124,119.92-52,217.12

Finding the Fourth Proportional to 89,937.12, 124,119.92 and 52,217.12

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Solution

The fourth proportional to 89,937.12, 124,119.92 and 52,217.12 is: 72,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.12 : 124,119.92 = 52,217.12 : x
  2. Step 2: Convert to fraction form
    89,937.12/124,119.92 = 52,217.12/x
  3. Step 3: Cross multiply
    89,937.12x = 124,119.92 × 52,217.12
  4. Step 4: Simplify right side
    89,937.12x = 6,481,184,757.03
  5. Step 5: Solve for x
    x = 6,481,184,757.03/89,937.12
  6. Step 6: Final answer
    x = 72,063.51

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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.