Home / 87,904.64-121,308.48-48,160.64

Finding the Fourth Proportional to 87,904.64, 121,308.48 and 48,160.64

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Solution

The fourth proportional to 87,904.64, 121,308.48 and 48,160.64 is: 66,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,904.64 : 121,308.48 = 48,160.64 : x
  2. Step 2: Convert to fraction form
    87,904.64/121,308.48 = 48,160.64/x
  3. Step 3: Cross multiply
    87,904.64x = 121,308.48 × 48,160.64
  4. Step 4: Simplify right side
    87,904.64x = 5,842,294,034.23
  5. Step 5: Solve for x
    x = 5,842,294,034.23/87,904.64
  6. Step 6: Final answer
    x = 66,461.73

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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.