Home / 83,217.48-114,840.24-45,491.76

Finding the Fourth Proportional to 83,217.48, 114,840.24 and 45,491.76

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Solution

The fourth proportional to 83,217.48, 114,840.24 and 45,491.76 is: 62,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,217.48 : 114,840.24 = 45,491.76 : x
  2. Step 2: Convert to fraction form
    83,217.48/114,840.24 = 45,491.76/x
  3. Step 3: Cross multiply
    83,217.48x = 114,840.24 × 45,491.76
  4. Step 4: Simplify right side
    83,217.48x = 5,224,284,636.42
  5. Step 5: Solve for x
    x = 5,224,284,636.42/83,217.48
  6. Step 6: Final answer
    x = 62,778.69

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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.