Home / 56,551.20-78,034.68-32,685.45

Finding the Fourth Proportional to 56,551.20, 78,034.68 and 32,685.45

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Solution

The fourth proportional to 56,551.20, 78,034.68 and 32,685.45 is: 45,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,551.20 : 78,034.68 = 32,685.45 : x
  2. Step 2: Convert to fraction form
    56,551.20/78,034.68 = 32,685.45/x
  3. Step 3: Cross multiply
    56,551.20x = 78,034.68 × 32,685.45
  4. Step 4: Simplify right side
    56,551.20x = 2,550,598,631.41
  5. Step 5: Solve for x
    x = 2,550,598,631.41/56,551.20
  6. Step 6: Final answer
    x = 45,102.47

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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.