Home / 83,127.60-114,715.86-45,401.85

Finding the Fourth Proportional to 83,127.60, 114,715.86 and 45,401.85

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Solution

The fourth proportional to 83,127.60, 114,715.86 and 45,401.85 is: 62,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,127.60 : 114,715.86 = 45,401.85 : x
  2. Step 2: Convert to fraction form
    83,127.60/114,715.86 = 45,401.85/x
  3. Step 3: Cross multiply
    83,127.60x = 114,715.86 × 45,401.85
  4. Step 4: Simplify right side
    83,127.60x = 5,208,312,268.34
  5. Step 5: Solve for x
    x = 5,208,312,268.34/83,127.60
  6. Step 6: Final answer
    x = 62,654.43

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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.