Home / 112,887.91-155,792.34-62,586.91

Finding the Fourth Proportional to 112,887.91, 155,792.34 and 62,586.91

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Solution

The fourth proportional to 112,887.91, 155,792.34 and 62,586.91 is: 86,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,887.91 : 155,792.34 = 62,586.91 : x
  2. Step 2: Convert to fraction form
    112,887.91/155,792.34 = 62,586.91/x
  3. Step 3: Cross multiply
    112,887.91x = 155,792.34 × 62,586.91
  4. Step 4: Simplify right side
    112,887.91x = 9,750,561,162.27
  5. Step 5: Solve for x
    x = 9,750,561,162.27/112,887.91
  6. Step 6: Final answer
    x = 86,373.83

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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.