Home / 82,432.45-123,607.27-40,315.69

Finding the Fourth Proportional to 82,432.45, 123,607.27 and 40,315.69

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Solution

The fourth proportional to 82,432.45, 123,607.27 and 40,315.69 is: 60,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,432.45 : 123,607.27 = 40,315.69 : x
  2. Step 2: Convert to fraction form
    82,432.45/123,607.27 = 40,315.69/x
  3. Step 3: Cross multiply
    82,432.45x = 123,607.27 × 40,315.69
  4. Step 4: Simplify right side
    82,432.45x = 4,983,312,379.07
  5. Step 5: Solve for x
    x = 4,983,312,379.07/82,432.45
  6. Step 6: Final answer
    x = 60,453.28

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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.