Home / 83,416.77-115,118.01-45,691.02

Finding the Fourth Proportional to 83,416.77, 115,118.01 and 45,691.02

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Solution

The fourth proportional to 83,416.77, 115,118.01 and 45,691.02 is: 63,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.77 : 115,118.01 = 45,691.02 : x
  2. Step 2: Convert to fraction form
    83,416.77/115,118.01 = 45,691.02/x
  3. Step 3: Cross multiply
    83,416.77x = 115,118.01 × 45,691.02
  4. Step 4: Simplify right side
    83,416.77x = 5,259,859,297.27
  5. Step 5: Solve for x
    x = 5,259,859,297.27/83,416.77
  6. Step 6: Final answer
    x = 63,055.18

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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.