Home / 57,200.30-85,800.45-17,761.40

Finding the Fourth Proportional to 57,200.30, 85,800.45 and 17,761.40

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Solution

The fourth proportional to 57,200.30, 85,800.45 and 17,761.40 is: 26,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,200.30 : 85,800.45 = 17,761.40 : x
  2. Step 2: Convert to fraction form
    57,200.30/85,800.45 = 17,761.40/x
  3. Step 3: Cross multiply
    57,200.30x = 85,800.45 × 17,761.40
  4. Step 4: Simplify right side
    57,200.30x = 1,523,936,112.63
  5. Step 5: Solve for x
    x = 1,523,936,112.63/57,200.30
  6. Step 6: Final answer
    x = 26,642.10

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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.