Home / 91,696.96-137,565.24-28,515.85

Finding the Fourth Proportional to 91,696.96, 137,565.24 and 28,515.85

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Solution

The fourth proportional to 91,696.96, 137,565.24 and 28,515.85 is: 42,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,696.96 : 137,565.24 = 28,515.85 : x
  2. Step 2: Convert to fraction form
    91,696.96/137,565.24 = 28,515.85/x
  3. Step 3: Cross multiply
    91,696.96x = 137,565.24 × 28,515.85
  4. Step 4: Simplify right side
    91,696.96x = 3,922,789,298.21
  5. Step 5: Solve for x
    x = 3,922,789,298.21/91,696.96
  6. Step 6: Final answer
    x = 42,779.93

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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.