Home / 88,278.21-121,826.28-47,994.69

Finding the Fourth Proportional to 88,278.21, 121,826.28 and 47,994.69

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Solution

The fourth proportional to 88,278.21, 121,826.28 and 47,994.69 is: 66,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.21 : 121,826.28 = 47,994.69 : x
  2. Step 2: Convert to fraction form
    88,278.21/121,826.28 = 47,994.69/x
  3. Step 3: Cross multiply
    88,278.21x = 121,826.28 × 47,994.69
  4. Step 4: Simplify right side
    88,278.21x = 5,847,014,542.45
  5. Step 5: Solve for x
    x = 5,847,014,542.45/88,278.21
  6. Step 6: Final answer
    x = 66,233.95

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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.