Home / 98,872.44-136,443.20-53,549.36

Finding the Fourth Proportional to 98,872.44, 136,443.20 and 53,549.36

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Solution

The fourth proportional to 98,872.44, 136,443.20 and 53,549.36 is: 73,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,872.44 : 136,443.20 = 53,549.36 : x
  2. Step 2: Convert to fraction form
    98,872.44/136,443.20 = 53,549.36/x
  3. Step 3: Cross multiply
    98,872.44x = 136,443.20 × 53,549.36
  4. Step 4: Simplify right side
    98,872.44x = 7,306,446,036.35
  5. Step 5: Solve for x
    x = 7,306,446,036.35/98,872.44
  6. Step 6: Final answer
    x = 73,897.70

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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.