Home / 53,862.40-80,761.20-27,618.40

Finding the Fourth Proportional to 53,862.40, 80,761.20 and 27,618.40

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Solution

The fourth proportional to 53,862.40, 80,761.20 and 27,618.40 is: 41,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.40 : 80,761.20 = 27,618.40 : x
  2. Step 2: Convert to fraction form
    53,862.40/80,761.20 = 27,618.40/x
  3. Step 3: Cross multiply
    53,862.40x = 80,761.20 × 27,618.40
  4. Step 4: Simplify right side
    53,862.40x = 2,230,495,126.08
  5. Step 5: Solve for x
    x = 2,230,495,126.08/53,862.40
  6. Step 6: Final answer
    x = 41,410.99

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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.