Home / 98,103.10-147,215.40-38,932.60

Finding the Fourth Proportional to 98,103.10, 147,215.40 and 38,932.60

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Solution

The fourth proportional to 98,103.10, 147,215.40 and 38,932.60 is: 58,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,103.10 : 147,215.40 = 38,932.60 : x
  2. Step 2: Convert to fraction form
    98,103.10/147,215.40 = 38,932.60/x
  3. Step 3: Cross multiply
    98,103.10x = 147,215.40 × 38,932.60
  4. Step 4: Simplify right side
    98,103.10x = 5,731,478,282.04
  5. Step 5: Solve for x
    x = 5,731,478,282.04/98,103.10
  6. Step 6: Final answer
    x = 58,423.01

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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.