Home / 83,679.24-115,478.10-45,953.76

Finding the Fourth Proportional to 83,679.24, 115,478.10 and 45,953.76

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Solution

The fourth proportional to 83,679.24, 115,478.10 and 45,953.76 is: 63,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,679.24 : 115,478.10 = 45,953.76 : x
  2. Step 2: Convert to fraction form
    83,679.24/115,478.10 = 45,953.76/x
  3. Step 3: Cross multiply
    83,679.24x = 115,478.10 × 45,953.76
  4. Step 4: Simplify right side
    83,679.24x = 5,306,652,892.66
  5. Step 5: Solve for x
    x = 5,306,652,892.66/83,679.24
  6. Step 6: Final answer
    x = 63,416.60

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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.