Home / 87,215.40-120,358.52-48,983.22

Finding the Fourth Proportional to 87,215.40, 120,358.52 and 48,983.22

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Solution

The fourth proportional to 87,215.40, 120,358.52 and 48,983.22 is: 67,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,215.40 : 120,358.52 = 48,983.22 : x
  2. Step 2: Convert to fraction form
    87,215.40/120,358.52 = 48,983.22/x
  3. Step 3: Cross multiply
    87,215.40x = 120,358.52 × 48,983.22
  4. Step 4: Simplify right side
    87,215.40x = 5,895,547,864.03
  5. Step 5: Solve for x
    x = 5,895,547,864.03/87,215.40
  6. Step 6: Final answer
    x = 67,597.56

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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.