Home / 56,693.16-78,234.66-31,542.12

Finding the Fourth Proportional to 56,693.16, 78,234.66 and 31,542.12

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Solution

The fourth proportional to 56,693.16, 78,234.66 and 31,542.12 is: 43,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693.16 : 78,234.66 = 31,542.12 : x
  2. Step 2: Convert to fraction form
    56,693.16/78,234.66 = 31,542.12/x
  3. Step 3: Cross multiply
    56,693.16x = 78,234.66 × 31,542.12
  4. Step 4: Simplify right side
    56,693.16x = 2,467,687,033.88
  5. Step 5: Solve for x
    x = 2,467,687,033.88/56,693.16
  6. Step 6: Final answer
    x = 43,527.07

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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.