Home / 98,286.91-147,343.08-38,301.49

Finding the Fourth Proportional to 98,286.91, 147,343.08 and 38,301.49

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Solution

The fourth proportional to 98,286.91, 147,343.08 and 38,301.49 is: 57,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,286.91 : 147,343.08 = 38,301.49 : x
  2. Step 2: Convert to fraction form
    98,286.91/147,343.08 = 38,301.49/x
  3. Step 3: Cross multiply
    98,286.91x = 147,343.08 × 38,301.49
  4. Step 4: Simplify right side
    98,286.91x = 5,643,459,505.19
  5. Step 5: Solve for x
    x = 5,643,459,505.19/98,286.91
  6. Step 6: Final answer
    x = 57,418.22

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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.