Home / 103,333.97-142,591.03-58,001.57

Finding the Fourth Proportional to 103,333.97, 142,591.03 and 58,001.57

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Solution

The fourth proportional to 103,333.97, 142,591.03 and 58,001.57 is: 80,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,333.97 : 142,591.03 = 58,001.57 : x
  2. Step 2: Convert to fraction form
    103,333.97/142,591.03 = 58,001.57/x
  3. Step 3: Cross multiply
    103,333.97x = 142,591.03 × 58,001.57
  4. Step 4: Simplify right side
    103,333.97x = 8,270,503,607.92
  5. Step 5: Solve for x
    x = 8,270,503,607.92/103,333.97
  6. Step 6: Final answer
    x = 80,036.64

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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.