Home / 98,223.79-135,565.26-57,947.54

Finding the Fourth Proportional to 98,223.79, 135,565.26 and 57,947.54

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Solution

The fourth proportional to 98,223.79, 135,565.26 and 57,947.54 is: 79,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,223.79 : 135,565.26 = 57,947.54 : x
  2. Step 2: Convert to fraction form
    98,223.79/135,565.26 = 57,947.54/x
  3. Step 3: Cross multiply
    98,223.79x = 135,565.26 × 57,947.54
  4. Step 4: Simplify right side
    98,223.79x = 7,855,673,326.46
  5. Step 5: Solve for x
    x = 7,855,673,326.46/98,223.79
  6. Step 6: Final answer
    x = 79,977.30

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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.