Home / 98,724.66-136,239.50-53,402.52

Finding the Fourth Proportional to 98,724.66, 136,239.50 and 53,402.52

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Solution

The fourth proportional to 98,724.66, 136,239.50 and 53,402.52 is: 73,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,724.66 : 136,239.50 = 53,402.52 : x
  2. Step 2: Convert to fraction form
    98,724.66/136,239.50 = 53,402.52/x
  3. Step 3: Cross multiply
    98,724.66x = 136,239.50 × 53,402.52
  4. Step 4: Simplify right side
    98,724.66x = 7,275,532,623.54
  5. Step 5: Solve for x
    x = 7,275,532,623.54/98,724.66
  6. Step 6: Final answer
    x = 73,695.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.