Home / 83,416.96-115,114.26-45,691.48

Finding the Fourth Proportional to 83,416.96, 115,114.26 and 45,691.48

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Solution

The fourth proportional to 83,416.96, 115,114.26 and 45,691.48 is: 63,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.96 : 115,114.26 = 45,691.48 : x
  2. Step 2: Convert to fraction form
    83,416.96/115,114.26 = 45,691.48/x
  3. Step 3: Cross multiply
    83,416.96x = 115,114.26 × 45,691.48
  4. Step 4: Simplify right side
    83,416.96x = 5,259,740,908.50
  5. Step 5: Solve for x
    x = 5,259,740,908.50/83,416.96
  6. Step 6: Final answer
    x = 63,053.62

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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.