Home / 56,561.32-78,049.16-33,899.92

Finding the Fourth Proportional to 56,561.32, 78,049.16 and 33,899.92

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Solution

The fourth proportional to 56,561.32, 78,049.16 and 33,899.92 is: 46,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,561.32 : 78,049.16 = 33,899.92 : x
  2. Step 2: Convert to fraction form
    56,561.32/78,049.16 = 33,899.92/x
  3. Step 3: Cross multiply
    56,561.32x = 78,049.16 × 33,899.92
  4. Step 4: Simplify right side
    56,561.32x = 2,645,860,280.07
  5. Step 5: Solve for x
    x = 2,645,860,280.07/56,561.32
  6. Step 6: Final answer
    x = 46,778.62

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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.