Home / 98,331.27-147,459.21-35,139.51

Finding the Fourth Proportional to 98,331.27, 147,459.21 and 35,139.51

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Solution

The fourth proportional to 98,331.27, 147,459.21 and 35,139.51 is: 52,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,331.27 : 147,459.21 = 35,139.51 : x
  2. Step 2: Convert to fraction form
    98,331.27/147,459.21 = 35,139.51/x
  3. Step 3: Cross multiply
    98,331.27x = 147,459.21 × 35,139.51
  4. Step 4: Simplify right side
    98,331.27x = 5,181,644,384.39
  5. Step 5: Solve for x
    x = 5,181,644,384.39/98,331.27
  6. Step 6: Final answer
    x = 52,695.79

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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.