Home / 98,253.20-147,404.10-31,700.36

Finding the Fourth Proportional to 98,253.20, 147,404.10 and 31,700.36

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Solution

The fourth proportional to 98,253.20, 147,404.10 and 31,700.36 is: 47,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,253.20 : 147,404.10 = 31,700.36 : x
  2. Step 2: Convert to fraction form
    98,253.20/147,404.10 = 31,700.36/x
  3. Step 3: Cross multiply
    98,253.20x = 147,404.10 × 31,700.36
  4. Step 4: Simplify right side
    98,253.20x = 4,672,763,035.48
  5. Step 5: Solve for x
    x = 4,672,763,035.48/98,253.20
  6. Step 6: Final answer
    x = 47,558.38

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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.