Home / 98,947.80-136,524.18-58,671.46

Finding the Fourth Proportional to 98,947.80, 136,524.18 and 58,671.46

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Solution

The fourth proportional to 98,947.80, 136,524.18 and 58,671.46 is: 80,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,947.80 : 136,524.18 = 58,671.46 : x
  2. Step 2: Convert to fraction form
    98,947.80/136,524.18 = 58,671.46/x
  3. Step 3: Cross multiply
    98,947.80x = 136,524.18 × 58,671.46
  4. Step 4: Simplify right side
    98,947.80x = 8,010,072,965.90
  5. Step 5: Solve for x
    x = 8,010,072,965.90/98,947.80
  6. Step 6: Final answer
    x = 80,952.51

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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.