Home / 56,711.51-78,257.25-32,839.73

Finding the Fourth Proportional to 56,711.51, 78,257.25 and 32,839.73

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Solution

The fourth proportional to 56,711.51, 78,257.25 and 32,839.73 is: 45,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.51 : 78,257.25 = 32,839.73 : x
  2. Step 2: Convert to fraction form
    56,711.51/78,257.25 = 32,839.73/x
  3. Step 3: Cross multiply
    56,711.51x = 78,257.25 × 32,839.73
  4. Step 4: Simplify right side
    56,711.51x = 2,569,947,156.19
  5. Step 5: Solve for x
    x = 2,569,947,156.19/56,711.51
  6. Step 6: Final answer
    x = 45,316.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.