Home / 83,777.32-115,613.22-45,537.22

Finding the Fourth Proportional to 83,777.32, 115,613.22 and 45,537.22

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Solution

The fourth proportional to 83,777.32, 115,613.22 and 45,537.22 is: 62,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,777.32 : 115,613.22 = 45,537.22 : x
  2. Step 2: Convert to fraction form
    83,777.32/115,613.22 = 45,537.22/x
  3. Step 3: Cross multiply
    83,777.32x = 115,613.22 × 45,537.22
  4. Step 4: Simplify right side
    83,777.32x = 5,264,704,634.05
  5. Step 5: Solve for x
    x = 5,264,704,634.05/83,777.32
  6. Step 6: Final answer
    x = 62,841.65

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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.