Home / 91,315.60-137,032.08-44,542.96

Finding the Fourth Proportional to 91,315.60, 137,032.08 and 44,542.96

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Solution

The fourth proportional to 91,315.60, 137,032.08 and 44,542.96 is: 66,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,315.60 : 137,032.08 = 44,542.96 : x
  2. Step 2: Convert to fraction form
    91,315.60/137,032.08 = 44,542.96/x
  3. Step 3: Cross multiply
    91,315.60x = 137,032.08 × 44,542.96
  4. Step 4: Simplify right side
    91,315.60x = 6,103,814,458.16
  5. Step 5: Solve for x
    x = 6,103,814,458.16/91,315.60
  6. Step 6: Final answer
    x = 66,843.06

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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.