Home / 98,387.13-147,585.31-31,832.47

Finding the Fourth Proportional to 98,387.13, 147,585.31 and 31,832.47

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Solution

The fourth proportional to 98,387.13, 147,585.31 and 31,832.47 is: 47,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,387.13 : 147,585.31 = 31,832.47 : x
  2. Step 2: Convert to fraction form
    98,387.13/147,585.31 = 31,832.47/x
  3. Step 3: Cross multiply
    98,387.13x = 147,585.31 × 31,832.47
  4. Step 4: Simplify right side
    98,387.13x = 4,698,004,424.89
  5. Step 5: Solve for x
    x = 4,698,004,424.89/98,387.13
  6. Step 6: Final answer
    x = 47,750.19

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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.