Home / 91,787.35-137,678.14-25,226.91

Finding the Fourth Proportional to 91,787.35, 137,678.14 and 25,226.91

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Solution

The fourth proportional to 91,787.35, 137,678.14 and 25,226.91 is: 37,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,787.35 : 137,678.14 = 25,226.91 : x
  2. Step 2: Convert to fraction form
    91,787.35/137,678.14 = 25,226.91/x
  3. Step 3: Cross multiply
    91,787.35x = 137,678.14 × 25,226.91
  4. Step 4: Simplify right side
    91,787.35x = 3,473,193,532.93
  5. Step 5: Solve for x
    x = 3,473,193,532.93/91,787.35
  6. Step 6: Final answer
    x = 37,839.57

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1.5x scale

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.