Home / 45,549.50-68,359.53-31,607.42

Finding the Fourth Proportional to 45,549.50, 68,359.53 and 31,607.42

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Solution

The fourth proportional to 45,549.50, 68,359.53 and 31,607.42 is: 47,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.50 : 68,359.53 = 31,607.42 : x
  2. Step 2: Convert to fraction form
    45,549.50/68,359.53 = 31,607.42/x
  3. Step 3: Cross multiply
    45,549.50x = 68,359.53 × 31,607.42
  4. Step 4: Simplify right side
    45,549.50x = 2,160,668,375.71
  5. Step 5: Solve for x
    x = 2,160,668,375.71/45,549.50
  6. Step 6: Final answer
    x = 47,435.61

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1.5x scale

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.