Home / 57,886.28-79,887.35-32,395.20

Finding the Fourth Proportional to 57,886.28, 79,887.35 and 32,395.20

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Solution

The fourth proportional to 57,886.28, 79,887.35 and 32,395.20 is: 44,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886.28 : 79,887.35 = 32,395.20 : x
  2. Step 2: Convert to fraction form
    57,886.28/79,887.35 = 32,395.20/x
  3. Step 3: Cross multiply
    57,886.28x = 79,887.35 × 32,395.20
  4. Step 4: Simplify right side
    57,886.28x = 2,587,966,680.72
  5. Step 5: Solve for x
    x = 2,587,966,680.72/57,886.28
  6. Step 6: Final answer
    x = 44,707.77

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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.