Home / 88,631.57-132,856.16-38,702.33

Finding the Fourth Proportional to 88,631.57, 132,856.16 and 38,702.33

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Solution

The fourth proportional to 88,631.57, 132,856.16 and 38,702.33 is: 58,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,631.57 : 132,856.16 = 38,702.33 : x
  2. Step 2: Convert to fraction form
    88,631.57/132,856.16 = 38,702.33/x
  3. Step 3: Cross multiply
    88,631.57x = 132,856.16 × 38,702.33
  4. Step 4: Simplify right side
    88,631.57x = 5,141,842,753.34
  5. Step 5: Solve for x
    x = 5,141,842,753.34/88,631.57
  6. Step 6: Final answer
    x = 58,013.67

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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.