Home / 68,922.60-95,106.04-38,711.20

Finding the Fourth Proportional to 68,922.60, 95,106.04 and 38,711.20

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Solution

The fourth proportional to 68,922.60, 95,106.04 and 38,711.20 is: 53,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,922.60 : 95,106.04 = 38,711.20 : x
  2. Step 2: Convert to fraction form
    68,922.60/95,106.04 = 38,711.20/x
  3. Step 3: Cross multiply
    68,922.60x = 95,106.04 × 38,711.20
  4. Step 4: Simplify right side
    68,922.60x = 3,681,668,935.65
  5. Step 5: Solve for x
    x = 3,681,668,935.65/68,922.60
  6. Step 6: Final answer
    x = 53,417.44

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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.