Home / 98,722.52-136,237.16-54,010.52

Finding the Fourth Proportional to 98,722.52, 136,237.16 and 54,010.52

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Solution

The fourth proportional to 98,722.52, 136,237.16 and 54,010.52 is: 74,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,722.52 : 136,237.16 = 54,010.52 : x
  2. Step 2: Convert to fraction form
    98,722.52/136,237.16 = 54,010.52/x
  3. Step 3: Cross multiply
    98,722.52x = 136,237.16 × 54,010.52
  4. Step 4: Simplify right side
    98,722.52x = 7,358,239,854.92
  5. Step 5: Solve for x
    x = 7,358,239,854.92/98,722.52
  6. Step 6: Final answer
    x = 74,534.56

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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.