Home / 91,013.92-136,582.38-31,850.10

Finding the Fourth Proportional to 91,013.92, 136,582.38 and 31,850.10

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Solution

The fourth proportional to 91,013.92, 136,582.38 and 31,850.10 is: 47,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.92 : 136,582.38 = 31,850.10 : x
  2. Step 2: Convert to fraction form
    91,013.92/136,582.38 = 31,850.10/x
  3. Step 3: Cross multiply
    91,013.92x = 136,582.38 × 31,850.10
  4. Step 4: Simplify right side
    91,013.92x = 4,350,162,461.24
  5. Step 5: Solve for x
    x = 4,350,162,461.24/91,013.92
  6. Step 6: Final answer
    x = 47,796.67

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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.