Home / 53,687.28-80,470.16-27,336.36

Finding the Fourth Proportional to 53,687.28, 80,470.16 and 27,336.36

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Solution

The fourth proportional to 53,687.28, 80,470.16 and 27,336.36 is: 40,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,687.28 : 80,470.16 = 27,336.36 : x
  2. Step 2: Convert to fraction form
    53,687.28/80,470.16 = 27,336.36/x
  3. Step 3: Cross multiply
    53,687.28x = 80,470.16 × 27,336.36
  4. Step 4: Simplify right side
    53,687.28x = 2,199,761,126.34
  5. Step 5: Solve for x
    x = 2,199,761,126.34/53,687.28
  6. Step 6: Final answer
    x = 40,973.60

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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.