Home / 48,295.61-66,711.99-40,255.66

Finding the Fourth Proportional to 48,295.61, 66,711.99 and 40,255.66

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Solution

The fourth proportional to 48,295.61, 66,711.99 and 40,255.66 is: 55,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.61 : 66,711.99 = 40,255.66 : x
  2. Step 2: Convert to fraction form
    48,295.61/66,711.99 = 40,255.66/x
  3. Step 3: Cross multiply
    48,295.61x = 66,711.99 × 40,255.66
  4. Step 4: Simplify right side
    48,295.61x = 2,685,534,853.80
  5. Step 5: Solve for x
    x = 2,685,534,853.80/48,295.61
  6. Step 6: Final answer
    x = 55,606.19

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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.