Home / 88,022.64-121,470.72-47,736.48

Finding the Fourth Proportional to 88,022.64, 121,470.72 and 47,736.48

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Solution

The fourth proportional to 88,022.64, 121,470.72 and 47,736.48 is: 65,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,022.64 : 121,470.72 = 47,736.48 : x
  2. Step 2: Convert to fraction form
    88,022.64/121,470.72 = 47,736.48/x
  3. Step 3: Cross multiply
    88,022.64x = 121,470.72 × 47,736.48
  4. Step 4: Simplify right side
    88,022.64x = 5,798,584,595.87
  5. Step 5: Solve for x
    x = 5,798,584,595.87/88,022.64
  6. Step 6: Final answer
    x = 65,876.06

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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.