Home / 56,728.28-85,085.94-15,178.52

Finding the Fourth Proportional to 56,728.28, 85,085.94 and 15,178.52

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Solution

The fourth proportional to 56,728.28, 85,085.94 and 15,178.52 is: 22,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728.28 : 85,085.94 = 15,178.52 : x
  2. Step 2: Convert to fraction form
    56,728.28/85,085.94 = 15,178.52/x
  3. Step 3: Cross multiply
    56,728.28x = 85,085.94 × 15,178.52
  4. Step 4: Simplify right side
    56,728.28x = 1,291,478,642.01
  5. Step 5: Solve for x
    x = 1,291,478,642.01/56,728.28
  6. Step 6: Final answer
    x = 22,766.05

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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.