Home / 85,025.52-127,483.60-40,651.28

Finding the Fourth Proportional to 85,025.52, 127,483.60 and 40,651.28

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Solution

The fourth proportional to 85,025.52, 127,483.60 and 40,651.28 is: 60,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025.52 : 127,483.60 = 40,651.28 : x
  2. Step 2: Convert to fraction form
    85,025.52/127,483.60 = 40,651.28/x
  3. Step 3: Cross multiply
    85,025.52x = 127,483.60 × 40,651.28
  4. Step 4: Simplify right side
    85,025.52x = 5,182,371,519.01
  5. Step 5: Solve for x
    x = 5,182,371,519.01/85,025.52
  6. Step 6: Final answer
    x = 60,950.78

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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.