Home / 88,278.87-121,827.21-47,995.38

Finding the Fourth Proportional to 88,278.87, 121,827.21 and 47,995.38

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Solution

The fourth proportional to 88,278.87, 121,827.21 and 47,995.38 is: 66,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.87 : 121,827.21 = 47,995.38 : x
  2. Step 2: Convert to fraction form
    88,278.87/121,827.21 = 47,995.38/x
  3. Step 3: Cross multiply
    88,278.87x = 121,827.21 × 47,995.38
  4. Step 4: Simplify right side
    88,278.87x = 5,847,143,238.29
  5. Step 5: Solve for x
    x = 5,847,143,238.29/88,278.87
  6. Step 6: Final answer
    x = 66,234.91

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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.