Home / 53,817.28-80,726.40-44,420.56

Finding the Fourth Proportional to 53,817.28, 80,726.40 and 44,420.56

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Solution

The fourth proportional to 53,817.28, 80,726.40 and 44,420.56 is: 66,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,817.28 : 80,726.40 = 44,420.56 : x
  2. Step 2: Convert to fraction form
    53,817.28/80,726.40 = 44,420.56/x
  3. Step 3: Cross multiply
    53,817.28x = 80,726.40 × 44,420.56
  4. Step 4: Simplify right side
    53,817.28x = 3,585,911,894.78
  5. Step 5: Solve for x
    x = 3,585,911,894.78/53,817.28
  6. Step 6: Final answer
    x = 66,631.24

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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.