Home / 78,599.11-108,226.56-59,246.14

Finding the Fourth Proportional to 78,599.11, 108,226.56 and 59,246.14

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Solution

The fourth proportional to 78,599.11, 108,226.56 and 59,246.14 is: 81,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,599.11 : 108,226.56 = 59,246.14 : x
  2. Step 2: Convert to fraction form
    78,599.11/108,226.56 = 59,246.14/x
  3. Step 3: Cross multiply
    78,599.11x = 108,226.56 × 59,246.14
  4. Step 4: Simplify right side
    78,599.11x = 6,412,005,925.48
  5. Step 5: Solve for x
    x = 6,412,005,925.48/78,599.11
  6. Step 6: Final answer
    x = 81,578.61

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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.