Home / 40,904.30-61,356.45-40,645.10

Finding the Fourth Proportional to 40,904.30, 61,356.45 and 40,645.10

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Solution

The fourth proportional to 40,904.30, 61,356.45 and 40,645.10 is: 60,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.30 : 61,356.45 = 40,645.10 : x
  2. Step 2: Convert to fraction form
    40,904.30/61,356.45 = 40,645.10/x
  3. Step 3: Cross multiply
    40,904.30x = 61,356.45 × 40,645.10
  4. Step 4: Simplify right side
    40,904.30x = 2,493,839,045.90
  5. Step 5: Solve for x
    x = 2,493,839,045.90/40,904.30
  6. Step 6: Final answer
    x = 60,967.65

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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.