Home / 45,164.48-67,732.36-42,216.13

Finding the Fourth Proportional to 45,164.48, 67,732.36 and 42,216.13

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Solution

The fourth proportional to 45,164.48, 67,732.36 and 42,216.13 is: 63,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,164.48 : 67,732.36 = 42,216.13 : x
  2. Step 2: Convert to fraction form
    45,164.48/67,732.36 = 42,216.13/x
  3. Step 3: Cross multiply
    45,164.48x = 67,732.36 × 42,216.13
  4. Step 4: Simplify right side
    45,164.48x = 2,859,398,114.97
  5. Step 5: Solve for x
    x = 2,859,398,114.97/45,164.48
  6. Step 6: Final answer
    x = 63,310.77

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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.