Home / 112,855.68-155,738.88-62,555.04

Finding the Fourth Proportional to 112,855.68, 155,738.88 and 62,555.04

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Solution

The fourth proportional to 112,855.68, 155,738.88 and 62,555.04 is: 86,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,855.68 : 155,738.88 = 62,555.04 : x
  2. Step 2: Convert to fraction form
    112,855.68/155,738.88 = 62,555.04/x
  3. Step 3: Cross multiply
    112,855.68x = 155,738.88 × 62,555.04
  4. Step 4: Simplify right side
    112,855.68x = 9,742,251,867.96
  5. Step 5: Solve for x
    x = 9,742,251,867.96/112,855.68
  6. Step 6: Final answer
    x = 86,324.87

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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.