Home / 66,155.56-99,232.86-26,712.10

Finding the Fourth Proportional to 66,155.56, 99,232.86 and 26,712.10

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Solution

The fourth proportional to 66,155.56, 99,232.86 and 26,712.10 is: 40,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.56 : 99,232.86 = 26,712.10 : x
  2. Step 2: Convert to fraction form
    66,155.56/99,232.86 = 26,712.10/x
  3. Step 3: Cross multiply
    66,155.56x = 99,232.86 × 26,712.10
  4. Step 4: Simplify right side
    66,155.56x = 2,650,718,079.61
  5. Step 5: Solve for x
    x = 2,650,718,079.61/66,155.56
  6. Step 6: Final answer
    x = 40,067.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.