Home / 98,223.80-135,565.10-57,947.42

Finding the Fourth Proportional to 98,223.80, 135,565.10 and 57,947.42

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Solution

The fourth proportional to 98,223.80, 135,565.10 and 57,947.42 is: 79,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,223.80 : 135,565.10 = 57,947.42 : x
  2. Step 2: Convert to fraction form
    98,223.80/135,565.10 = 57,947.42/x
  3. Step 3: Cross multiply
    98,223.80x = 135,565.10 × 57,947.42
  4. Step 4: Simplify right side
    98,223.80x = 7,855,646,819.48
  5. Step 5: Solve for x
    x = 7,855,646,819.48/98,223.80
  6. Step 6: Final answer
    x = 79,977.02

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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.