Home / 91,683.90-137,565.31-49,593.56

Finding the Fourth Proportional to 91,683.90, 137,565.31 and 49,593.56

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Solution

The fourth proportional to 91,683.90, 137,565.31 and 49,593.56 is: 74,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,683.90 : 137,565.31 = 49,593.56 : x
  2. Step 2: Convert to fraction form
    91,683.90/137,565.31 = 49,593.56/x
  3. Step 3: Cross multiply
    91,683.90x = 137,565.31 × 49,593.56
  4. Step 4: Simplify right side
    91,683.90x = 6,822,353,455.40
  5. Step 5: Solve for x
    x = 6,822,353,455.40/91,683.90
  6. Step 6: Final answer
    x = 74,411.69

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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.