Home / 62,903.04-86,777.28-40,230.72

Finding the Fourth Proportional to 62,903.04, 86,777.28 and 40,230.72

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Solution

The fourth proportional to 62,903.04, 86,777.28 and 40,230.72 is: 55,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,903.04 : 86,777.28 = 40,230.72 : x
  2. Step 2: Convert to fraction form
    62,903.04/86,777.28 = 40,230.72/x
  3. Step 3: Cross multiply
    62,903.04x = 86,777.28 × 40,230.72
  4. Step 4: Simplify right side
    62,903.04x = 3,491,112,454.04
  5. Step 5: Solve for x
    x = 3,491,112,454.04/62,903.04
  6. Step 6: Final answer
    x = 55,499.90

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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.