Home / 98,389.15-135,764.56-55,948.59

Finding the Fourth Proportional to 98,389.15, 135,764.56 and 55,948.59

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Solution

The fourth proportional to 98,389.15, 135,764.56 and 55,948.59 is: 77,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,389.15 : 135,764.56 = 55,948.59 : x
  2. Step 2: Convert to fraction form
    98,389.15/135,764.56 = 55,948.59/x
  3. Step 3: Cross multiply
    98,389.15x = 135,764.56 × 55,948.59
  4. Step 4: Simplify right side
    98,389.15x = 7,595,835,703.97
  5. Step 5: Solve for x
    x = 7,595,835,703.97/98,389.15
  6. Step 6: Final answer
    x = 77,201.96

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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.