Home / 91,633.75-137,512.89-49,526.72

Finding the Fourth Proportional to 91,633.75, 137,512.89 and 49,526.72

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Solution

The fourth proportional to 91,633.75, 137,512.89 and 49,526.72 is: 74,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,633.75 : 137,512.89 = 49,526.72 : x
  2. Step 2: Convert to fraction form
    91,633.75/137,512.89 = 49,526.72/x
  3. Step 3: Cross multiply
    91,633.75x = 137,512.89 × 49,526.72
  4. Step 4: Simplify right side
    91,633.75x = 6,810,563,001.04
  5. Step 5: Solve for x
    x = 6,810,563,001.04/91,633.75
  6. Step 6: Final answer
    x = 74,323.74

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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.