Home / 88,224.69-121,750.57-47,938.78

Finding the Fourth Proportional to 88,224.69, 121,750.57 and 47,938.78

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Solution

The fourth proportional to 88,224.69, 121,750.57 and 47,938.78 is: 66,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,224.69 : 121,750.57 = 47,938.78 : x
  2. Step 2: Convert to fraction form
    88,224.69/121,750.57 = 47,938.78/x
  3. Step 3: Cross multiply
    88,224.69x = 121,750.57 × 47,938.78
  4. Step 4: Simplify right side
    88,224.69x = 5,836,573,790.10
  5. Step 5: Solve for x
    x = 5,836,573,790.10/88,224.69
  6. Step 6: Final answer
    x = 66,155.79

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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.