Home / 88,086.78-132,130.44-61,908.66

Finding the Fourth Proportional to 88,086.78, 132,130.44 and 61,908.66

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Solution

The fourth proportional to 88,086.78, 132,130.44 and 61,908.66 is: 92,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,086.78 : 132,130.44 = 61,908.66 : x
  2. Step 2: Convert to fraction form
    88,086.78/132,130.44 = 61,908.66/x
  3. Step 3: Cross multiply
    88,086.78x = 132,130.44 × 61,908.66
  4. Step 4: Simplify right side
    88,086.78x = 8,180,018,485.61
  5. Step 5: Solve for x
    x = 8,180,018,485.61/88,086.78
  6. Step 6: Final answer
    x = 92,863.18

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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.