Home / 112,718.91-155,550.20-62,416.83

Finding the Fourth Proportional to 112,718.91, 155,550.20 and 62,416.83

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Solution

The fourth proportional to 112,718.91, 155,550.20 and 62,416.83 is: 86,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,718.91 : 155,550.20 = 62,416.83 : x
  2. Step 2: Convert to fraction form
    112,718.91/155,550.20 = 62,416.83/x
  3. Step 3: Cross multiply
    112,718.91x = 155,550.20 × 62,416.83
  4. Step 4: Simplify right side
    112,718.91x = 9,708,950,077.78
  5. Step 5: Solve for x
    x = 9,708,950,077.78/112,718.91
  6. Step 6: Final answer
    x = 86,134.17

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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.