Home / 98,423.90-147,659.22-31,864.04

Finding the Fourth Proportional to 98,423.90, 147,659.22 and 31,864.04

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Solution

The fourth proportional to 98,423.90, 147,659.22 and 31,864.04 is: 47,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,423.90 : 147,659.22 = 31,864.04 : x
  2. Step 2: Convert to fraction form
    98,423.90/147,659.22 = 31,864.04/x
  3. Step 3: Cross multiply
    98,423.90x = 147,659.22 × 31,864.04
  4. Step 4: Simplify right side
    98,423.90x = 4,705,019,292.45
  5. Step 5: Solve for x
    x = 4,705,019,292.45/98,423.90
  6. Step 6: Final answer
    x = 47,803.63

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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.