Home / 45,299.66-67,950.16-15,718.42

Finding the Fourth Proportional to 45,299.66, 67,950.16 and 15,718.42

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Solution

The fourth proportional to 45,299.66, 67,950.16 and 15,718.42 is: 23,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.66 : 67,950.16 = 15,718.42 : x
  2. Step 2: Convert to fraction form
    45,299.66/67,950.16 = 15,718.42/x
  3. Step 3: Cross multiply
    45,299.66x = 67,950.16 × 15,718.42
  4. Step 4: Simplify right side
    45,299.66x = 1,068,069,199.59
  5. Step 5: Solve for x
    x = 1,068,069,199.59/45,299.66
  6. Step 6: Final answer
    x = 23,577.87

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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.