Home / 57,117.30-78,823.44-31,966.80

Finding the Fourth Proportional to 57,117.30, 78,823.44 and 31,966.80

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Solution

The fourth proportional to 57,117.30, 78,823.44 and 31,966.80 is: 44,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.30 : 78,823.44 = 31,966.80 : x
  2. Step 2: Convert to fraction form
    57,117.30/78,823.44 = 31,966.80/x
  3. Step 3: Cross multiply
    57,117.30x = 78,823.44 × 31,966.80
  4. Step 4: Simplify right side
    57,117.30x = 2,519,733,141.79
  5. Step 5: Solve for x
    x = 2,519,733,141.79/57,117.30
  6. Step 6: Final answer
    x = 44,115.06

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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.