Home / 91,733.86-137,586-25,158.52

Finding the Fourth Proportional to 91,733.86, 137,586 and 25,158.52

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Solution

The fourth proportional to 91,733.86, 137,586 and 25,158.52 is: 37,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,733.86 : 137,586 = 25,158.52 : x
  2. Step 2: Convert to fraction form
    91,733.86/137,586 = 25,158.52/x
  3. Step 3: Cross multiply
    91,733.86x = 137,586 × 25,158.52
  4. Step 4: Simplify right side
    91,733.86x = 3,461,460,132.72
  5. Step 5: Solve for x
    x = 3,461,460,132.72/91,733.86
  6. Step 6: Final answer
    x = 37,733.72

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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.