Home / 62,269.20-85,905.50-40,764.20

Finding the Fourth Proportional to 62,269.20, 85,905.50 and 40,764.20

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Solution

The fourth proportional to 62,269.20, 85,905.50 and 40,764.20 is: 56,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,269.20 : 85,905.50 = 40,764.20 : x
  2. Step 2: Convert to fraction form
    62,269.20/85,905.50 = 40,764.20/x
  3. Step 3: Cross multiply
    62,269.20x = 85,905.50 × 40,764.20
  4. Step 4: Simplify right side
    62,269.20x = 3,501,868,983.10
  5. Step 5: Solve for x
    x = 3,501,868,983.10/62,269.20
  6. Step 6: Final answer
    x = 56,237.58

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1.5x scale

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.