Home / 112,744.05-155,586.45-62,443.05

Finding the Fourth Proportional to 112,744.05, 155,586.45 and 62,443.05

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Solution

The fourth proportional to 112,744.05, 155,586.45 and 62,443.05 is: 86,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.05 : 155,586.45 = 62,443.05 : x
  2. Step 2: Convert to fraction form
    112,744.05/155,586.45 = 62,443.05/x
  3. Step 3: Cross multiply
    112,744.05x = 155,586.45 × 62,443.05
  4. Step 4: Simplify right side
    112,744.05x = 9,715,292,476.67
  5. Step 5: Solve for x
    x = 9,715,292,476.67/112,744.05
  6. Step 6: Final answer
    x = 86,171.22

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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.