Home / 105,778.53-158,503.77-61,294.95

Finding the Fourth Proportional to 105,778.53, 158,503.77 and 61,294.95

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Solution

The fourth proportional to 105,778.53, 158,503.77 and 61,294.95 is: 91,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,778.53 : 158,503.77 = 61,294.95 : x
  2. Step 2: Convert to fraction form
    105,778.53/158,503.77 = 61,294.95/x
  3. Step 3: Cross multiply
    105,778.53x = 158,503.77 × 61,294.95
  4. Step 4: Simplify right side
    105,778.53x = 9,715,480,656.96
  5. Step 5: Solve for x
    x = 9,715,480,656.96/105,778.53
  6. Step 6: Final answer
    x = 91,847.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.