Home / 98,744.76-136,267.40-53,422.60

Finding the Fourth Proportional to 98,744.76, 136,267.40 and 53,422.60

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Solution

The fourth proportional to 98,744.76, 136,267.40 and 53,422.60 is: 73,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.76 : 136,267.40 = 53,422.60 : x
  2. Step 2: Convert to fraction form
    98,744.76/136,267.40 = 53,422.60/x
  3. Step 3: Cross multiply
    98,744.76x = 136,267.40 × 53,422.60
  4. Step 4: Simplify right side
    98,744.76x = 7,279,757,854.79
  5. Step 5: Solve for x
    x = 7,279,757,854.79/98,744.76
  6. Step 6: Final answer
    x = 73,722.98

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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.