Home / 87,305.04-120,518.28-60,536.16

Finding the Fourth Proportional to 87,305.04, 120,518.28 and 60,536.16

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Solution

The fourth proportional to 87,305.04, 120,518.28 and 60,536.16 is: 83,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305.04 : 120,518.28 = 60,536.16 : x
  2. Step 2: Convert to fraction form
    87,305.04/120,518.28 = 60,536.16/x
  3. Step 3: Cross multiply
    87,305.04x = 120,518.28 × 60,536.16
  4. Step 4: Simplify right side
    87,305.04x = 7,295,713,881.00
  5. Step 5: Solve for x
    x = 7,295,713,881.00/87,305.04
  6. Step 6: Final answer
    x = 83,565.78

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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.