Home / 103,425.03-142,716.47-58,092.75

Finding the Fourth Proportional to 103,425.03, 142,716.47 and 58,092.75

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Solution

The fourth proportional to 103,425.03, 142,716.47 and 58,092.75 is: 80,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,425.03 : 142,716.47 = 58,092.75 : x
  2. Step 2: Convert to fraction form
    103,425.03/142,716.47 = 58,092.75/x
  3. Step 3: Cross multiply
    103,425.03x = 142,716.47 × 58,092.75
  4. Step 4: Simplify right side
    103,425.03x = 8,290,791,922.13
  5. Step 5: Solve for x
    x = 8,290,791,922.13/103,425.03
  6. Step 6: Final answer
    x = 80,162.34

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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.