Home / 45,330.71-67,996.01-12,050.80

Finding the Fourth Proportional to 45,330.71, 67,996.01 and 12,050.80

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Solution

The fourth proportional to 45,330.71, 67,996.01 and 12,050.80 is: 18,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,330.71 : 67,996.01 = 12,050.80 : x
  2. Step 2: Convert to fraction form
    45,330.71/67,996.01 = 12,050.80/x
  3. Step 3: Cross multiply
    45,330.71x = 67,996.01 × 12,050.80
  4. Step 4: Simplify right side
    45,330.71x = 819,406,300.90
  5. Step 5: Solve for x
    x = 819,406,300.90/45,330.71
  6. Step 6: Final answer
    x = 18,076.18

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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.