Home / 88,280.64-121,824.72-50,043.71

Finding the Fourth Proportional to 88,280.64, 121,824.72 and 50,043.71

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Solution

The fourth proportional to 88,280.64, 121,824.72 and 50,043.71 is: 69,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.64 : 121,824.72 = 50,043.71 : x
  2. Step 2: Convert to fraction form
    88,280.64/121,824.72 = 50,043.71/x
  3. Step 3: Cross multiply
    88,280.64x = 121,824.72 × 50,043.71
  4. Step 4: Simplify right side
    88,280.64x = 6,096,561,263.07
  5. Step 5: Solve for x
    x = 6,096,561,263.07/88,280.64
  6. Step 6: Final answer
    x = 69,058.87

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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.