Home / 91,812.45-137,710.58-25,246.65

Finding the Fourth Proportional to 91,812.45, 137,710.58 and 25,246.65

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Solution

The fourth proportional to 91,812.45, 137,710.58 and 25,246.65 is: 37,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,812.45 : 137,710.58 = 25,246.65 : x
  2. Step 2: Convert to fraction form
    91,812.45/137,710.58 = 25,246.65/x
  3. Step 3: Cross multiply
    91,812.45x = 137,710.58 × 25,246.65
  4. Step 4: Simplify right side
    91,812.45x = 3,476,730,688.32
  5. Step 5: Solve for x
    x = 3,476,730,688.32/91,812.45
  6. Step 6: Final answer
    x = 37,867.75

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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.