Home / 45,040.80-62,173.83-40,316.88

Finding the Fourth Proportional to 45,040.80, 62,173.83 and 40,316.88

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Solution

The fourth proportional to 45,040.80, 62,173.83 and 40,316.88 is: 55,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.80 : 62,173.83 = 40,316.88 : x
  2. Step 2: Convert to fraction form
    45,040.80/62,173.83 = 40,316.88/x
  3. Step 3: Cross multiply
    45,040.80x = 62,173.83 × 40,316.88
  4. Step 4: Simplify right side
    45,040.80x = 2,506,654,843.25
  5. Step 5: Solve for x
    x = 2,506,654,843.25/45,040.80
  6. Step 6: Final answer
    x = 55,652.98

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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.