Home / 75,250.91-112,867.14-43,678.17

Finding the Fourth Proportional to 75,250.91, 112,867.14 and 43,678.17

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Solution

The fourth proportional to 75,250.91, 112,867.14 and 43,678.17 is: 65,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,250.91 : 112,867.14 = 43,678.17 : x
  2. Step 2: Convert to fraction form
    75,250.91/112,867.14 = 43,678.17/x
  3. Step 3: Cross multiply
    75,250.91x = 112,867.14 × 43,678.17
  4. Step 4: Simplify right side
    75,250.91x = 4,929,830,128.33
  5. Step 5: Solve for x
    x = 4,929,830,128.33/75,250.91
  6. Step 6: Final answer
    x = 65,511.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.