Home / 98,026.85-147,088.92-38,861.21

Finding the Fourth Proportional to 98,026.85, 147,088.92 and 38,861.21

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Solution

The fourth proportional to 98,026.85, 147,088.92 and 38,861.21 is: 58,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,026.85 : 147,088.92 = 38,861.21 : x
  2. Step 2: Convert to fraction form
    98,026.85/147,088.92 = 38,861.21/x
  3. Step 3: Cross multiply
    98,026.85x = 147,088.92 × 38,861.21
  4. Step 4: Simplify right side
    98,026.85x = 5,716,053,408.79
  5. Step 5: Solve for x
    x = 5,716,053,408.79/98,026.85
  6. Step 6: Final answer
    x = 58,311.10

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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.