Home / 91,731.35-137,582.25-25,156.02

Finding the Fourth Proportional to 91,731.35, 137,582.25 and 25,156.02

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Solution

The fourth proportional to 91,731.35, 137,582.25 and 25,156.02 is: 37,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,731.35 : 137,582.25 = 25,156.02 : x
  2. Step 2: Convert to fraction form
    91,731.35/137,582.25 = 25,156.02/x
  3. Step 3: Cross multiply
    91,731.35x = 137,582.25 × 25,156.02
  4. Step 4: Simplify right side
    91,731.35x = 3,461,021,832.65
  5. Step 5: Solve for x
    x = 3,461,021,832.65/91,731.35
  6. Step 6: Final answer
    x = 37,729.98

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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.