Home / 102,850.93-141,947.43-57,531.43

Finding the Fourth Proportional to 102,850.93, 141,947.43 and 57,531.43

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Solution

The fourth proportional to 102,850.93, 141,947.43 and 57,531.43 is: 79,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,850.93 : 141,947.43 = 57,531.43 : x
  2. Step 2: Convert to fraction form
    102,850.93/141,947.43 = 57,531.43/x
  3. Step 3: Cross multiply
    102,850.93x = 141,947.43 × 57,531.43
  4. Step 4: Simplify right side
    102,850.93x = 8,166,438,632.72
  5. Step 5: Solve for x
    x = 8,166,438,632.72/102,850.93
  6. Step 6: Final answer
    x = 79,400.73

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1.5x scale

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.