Home / 81,598.14-112,613.28-49,799.16

Finding the Fourth Proportional to 81,598.14, 112,613.28 and 49,799.16

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Solution

The fourth proportional to 81,598.14, 112,613.28 and 49,799.16 is: 68,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,598.14 : 112,613.28 = 49,799.16 : x
  2. Step 2: Convert to fraction form
    81,598.14/112,613.28 = 49,799.16/x
  3. Step 3: Cross multiply
    81,598.14x = 112,613.28 × 49,799.16
  4. Step 4: Simplify right side
    81,598.14x = 5,608,046,748.84
  5. Step 5: Solve for x
    x = 5,608,046,748.84/81,598.14
  6. Step 6: Final answer
    x = 68,727.63

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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.