Home / 91,395.86-137,105.06-44,613.38

Finding the Fourth Proportional to 91,395.86, 137,105.06 and 44,613.38

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Solution

The fourth proportional to 91,395.86, 137,105.06 and 44,613.38 is: 66,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,395.86 : 137,105.06 = 44,613.38 : x
  2. Step 2: Convert to fraction form
    91,395.86/137,105.06 = 44,613.38/x
  3. Step 3: Cross multiply
    91,395.86x = 137,105.06 × 44,613.38
  4. Step 4: Simplify right side
    91,395.86x = 6,116,719,567.71
  5. Step 5: Solve for x
    x = 6,116,719,567.71/91,395.86
  6. Step 6: Final answer
    x = 66,925.57

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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.