Home / 56,578.11-78,069.12-32,700.18

Finding the Fourth Proportional to 56,578.11, 78,069.12 and 32,700.18

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Solution

The fourth proportional to 56,578.11, 78,069.12 and 32,700.18 is: 45,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.11 : 78,069.12 = 32,700.18 : x
  2. Step 2: Convert to fraction form
    56,578.11/78,069.12 = 32,700.18/x
  3. Step 3: Cross multiply
    56,578.11x = 78,069.12 × 32,700.18
  4. Step 4: Simplify right side
    56,578.11x = 2,552,874,276.44
  5. Step 5: Solve for x
    x = 2,552,874,276.44/56,578.11
  6. Step 6: Final answer
    x = 45,121.24

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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.