Home / 87,923.51-121,320.74-52,107.74

Finding the Fourth Proportional to 87,923.51, 121,320.74 and 52,107.74

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Solution

The fourth proportional to 87,923.51, 121,320.74 and 52,107.74 is: 71,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.51 : 121,320.74 = 52,107.74 : x
  2. Step 2: Convert to fraction form
    87,923.51/121,320.74 = 52,107.74/x
  3. Step 3: Cross multiply
    87,923.51x = 121,320.74 × 52,107.74
  4. Step 4: Simplify right side
    87,923.51x = 6,321,749,262.04
  5. Step 5: Solve for x
    x = 6,321,749,262.04/87,923.51
  6. Step 6: Final answer
    x = 71,900.56

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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.