Home / 87,846.64-121,179.18-52,001.72

Finding the Fourth Proportional to 87,846.64, 121,179.18 and 52,001.72

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Solution

The fourth proportional to 87,846.64, 121,179.18 and 52,001.72 is: 71,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,846.64 : 121,179.18 = 52,001.72 : x
  2. Step 2: Convert to fraction form
    87,846.64/121,179.18 = 52,001.72/x
  3. Step 3: Cross multiply
    87,846.64x = 121,179.18 × 52,001.72
  4. Step 4: Simplify right side
    87,846.64x = 6,301,525,788.19
  5. Step 5: Solve for x
    x = 6,301,525,788.19/87,846.64
  6. Step 6: Final answer
    x = 71,733.26

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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.