Home / 98,877.04-136,453.72-54,165.04

Finding the Fourth Proportional to 98,877.04, 136,453.72 and 54,165.04

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Solution

The fourth proportional to 98,877.04, 136,453.72 and 54,165.04 is: 74,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,877.04 : 136,453.72 = 54,165.04 : x
  2. Step 2: Convert to fraction form
    98,877.04/136,453.72 = 54,165.04/x
  3. Step 3: Cross multiply
    98,877.04x = 136,453.72 × 54,165.04
  4. Step 4: Simplify right side
    98,877.04x = 7,391,021,201.95
  5. Step 5: Solve for x
    x = 7,391,021,201.95/98,877.04
  6. Step 6: Final answer
    x = 74,749.62

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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.