Home / 83,656.26-125,483.61-20,476.65

Finding the Fourth Proportional to 83,656.26, 125,483.61 and 20,476.65

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Solution

The fourth proportional to 83,656.26, 125,483.61 and 20,476.65 is: 30,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,656.26 : 125,483.61 = 20,476.65 : x
  2. Step 2: Convert to fraction form
    83,656.26/125,483.61 = 20,476.65/x
  3. Step 3: Cross multiply
    83,656.26x = 125,483.61 × 20,476.65
  4. Step 4: Simplify right side
    83,656.26x = 2,569,483,962.71
  5. Step 5: Solve for x
    x = 2,569,483,962.71/83,656.26
  6. Step 6: Final answer
    x = 30,714.78

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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.