Home / 82,350.30-123,525.45-40,878.30

Finding the Fourth Proportional to 82,350.30, 123,525.45 and 40,878.30

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Solution

The fourth proportional to 82,350.30, 123,525.45 and 40,878.30 is: 61,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,350.30 : 123,525.45 = 40,878.30 : x
  2. Step 2: Convert to fraction form
    82,350.30/123,525.45 = 40,878.30/x
  3. Step 3: Cross multiply
    82,350.30x = 123,525.45 × 40,878.30
  4. Step 4: Simplify right side
    82,350.30x = 5,049,510,402.74
  5. Step 5: Solve for x
    x = 5,049,510,402.74/82,350.30
  6. Step 6: Final answer
    x = 61,317.45

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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.