Home / 98,434.50-147,723.36-39,287.08

Finding the Fourth Proportional to 98,434.50, 147,723.36 and 39,287.08

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Solution

The fourth proportional to 98,434.50, 147,723.36 and 39,287.08 is: 58,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,434.50 : 147,723.36 = 39,287.08 : x
  2. Step 2: Convert to fraction form
    98,434.50/147,723.36 = 39,287.08/x
  3. Step 3: Cross multiply
    98,434.50x = 147,723.36 × 39,287.08
  4. Step 4: Simplify right side
    98,434.50x = 5,803,619,462.19
  5. Step 5: Solve for x
    x = 5,803,619,462.19/98,434.50
  6. Step 6: Final answer
    x = 58,959.20

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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.