Home / 83,245.83-114,875.85-47,432.80

Finding the Fourth Proportional to 83,245.83, 114,875.85 and 47,432.80

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Solution

The fourth proportional to 83,245.83, 114,875.85 and 47,432.80 is: 65,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,245.83 : 114,875.85 = 47,432.80 : x
  2. Step 2: Convert to fraction form
    83,245.83/114,875.85 = 47,432.80/x
  3. Step 3: Cross multiply
    83,245.83x = 114,875.85 × 47,432.80
  4. Step 4: Simplify right side
    83,245.83x = 5,448,883,217.88
  5. Step 5: Solve for x
    x = 5,448,883,217.88/83,245.83
  6. Step 6: Final answer
    x = 65,455.33

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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.