Home / 98,126.97-147,215.09-38,943.10

Finding the Fourth Proportional to 98,126.97, 147,215.09 and 38,943.10

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Solution

The fourth proportional to 98,126.97, 147,215.09 and 38,943.10 is: 58,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,126.97 : 147,215.09 = 38,943.10 : x
  2. Step 2: Convert to fraction form
    98,126.97/147,215.09 = 38,943.10/x
  3. Step 3: Cross multiply
    98,126.97x = 147,215.09 × 38,943.10
  4. Step 4: Simplify right side
    98,126.97x = 5,733,011,971.38
  5. Step 5: Solve for x
    x = 5,733,011,971.38/98,126.97
  6. Step 6: Final answer
    x = 58,424.43

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1.5x scale

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.