Home / 87,924.51-121,322.12-52,108.74

Finding the Fourth Proportional to 87,924.51, 121,322.12 and 52,108.74

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Solution

The fourth proportional to 87,924.51, 121,322.12 and 52,108.74 is: 71,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.51 : 121,322.12 = 52,108.74 : x
  2. Step 2: Convert to fraction form
    87,924.51/121,322.12 = 52,108.74/x
  3. Step 3: Cross multiply
    87,924.51x = 121,322.12 × 52,108.74
  4. Step 4: Simplify right side
    87,924.51x = 6,321,942,807.33
  5. Step 5: Solve for x
    x = 6,321,942,807.33/87,924.51
  6. Step 6: Final answer
    x = 71,901.94

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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.