Home / 88,278.77-121,825.28-47,992.88

Finding the Fourth Proportional to 88,278.77, 121,825.28 and 47,992.88

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Solution

The fourth proportional to 88,278.77, 121,825.28 and 47,992.88 is: 66,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.77 : 121,825.28 = 47,992.88 : x
  2. Step 2: Convert to fraction form
    88,278.77/121,825.28 = 47,992.88/x
  3. Step 3: Cross multiply
    88,278.77x = 121,825.28 × 47,992.88
  4. Step 4: Simplify right side
    88,278.77x = 5,846,746,044.01
  5. Step 5: Solve for x
    x = 5,846,746,044.01/88,278.77
  6. Step 6: Final answer
    x = 66,230.49

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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.