Home / 60,109.80-82,921.17-55,835.61

Finding the Fourth Proportional to 60,109.80, 82,921.17 and 55,835.61

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Solution

The fourth proportional to 60,109.80, 82,921.17 and 55,835.61 is: 77,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,109.80 : 82,921.17 = 55,835.61 : x
  2. Step 2: Convert to fraction form
    60,109.80/82,921.17 = 55,835.61/x
  3. Step 3: Cross multiply
    60,109.80x = 82,921.17 × 55,835.61
  4. Step 4: Simplify right side
    60,109.80x = 4,629,954,108.86
  5. Step 5: Solve for x
    x = 4,629,954,108.86/60,109.80
  6. Step 6: Final answer
    x = 77,024.95

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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.