Home / 60,424.20-83,455.20-40,247.88

Finding the Fourth Proportional to 60,424.20, 83,455.20 and 40,247.88

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Solution

The fourth proportional to 60,424.20, 83,455.20 and 40,247.88 is: 55,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,424.20 : 83,455.20 = 40,247.88 : x
  2. Step 2: Convert to fraction form
    60,424.20/83,455.20 = 40,247.88/x
  3. Step 3: Cross multiply
    60,424.20x = 83,455.20 × 40,247.88
  4. Step 4: Simplify right side
    60,424.20x = 3,358,894,874.98
  5. Step 5: Solve for x
    x = 3,358,894,874.98/60,424.20
  6. Step 6: Final answer
    x = 55,588.57

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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.