Home / 92,826.60-139,239.90-57,748.20

Finding the Fourth Proportional to 92,826.60, 139,239.90 and 57,748.20

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Solution

The fourth proportional to 92,826.60, 139,239.90 and 57,748.20 is: 86,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.60 : 139,239.90 = 57,748.20 : x
  2. Step 2: Convert to fraction form
    92,826.60/139,239.90 = 57,748.20/x
  3. Step 3: Cross multiply
    92,826.60x = 139,239.90 × 57,748.20
  4. Step 4: Simplify right side
    92,826.60x = 8,040,853,593.18
  5. Step 5: Solve for x
    x = 8,040,853,593.18/92,826.60
  6. Step 6: Final answer
    x = 86,622.30

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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.