Home / 98,652.40-136,132.08-55,629.48

Finding the Fourth Proportional to 98,652.40, 136,132.08 and 55,629.48

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Solution

The fourth proportional to 98,652.40, 136,132.08 and 55,629.48 is: 76,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,652.40 : 136,132.08 = 55,629.48 : x
  2. Step 2: Convert to fraction form
    98,652.40/136,132.08 = 55,629.48/x
  3. Step 3: Cross multiply
    98,652.40x = 136,132.08 × 55,629.48
  4. Step 4: Simplify right side
    98,652.40x = 7,572,956,821.72
  5. Step 5: Solve for x
    x = 7,572,956,821.72/98,652.40
  6. Step 6: Final answer
    x = 76,764.04

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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.