Home / 87,923.74-121,334.70-47,637.22

Finding the Fourth Proportional to 87,923.74, 121,334.70 and 47,637.22

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Solution

The fourth proportional to 87,923.74, 121,334.70 and 47,637.22 is: 65,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.74 : 121,334.70 = 47,637.22 : x
  2. Step 2: Convert to fraction form
    87,923.74/121,334.70 = 47,637.22/x
  3. Step 3: Cross multiply
    87,923.74x = 121,334.70 × 47,637.22
  4. Step 4: Simplify right side
    87,923.74x = 5,780,047,797.53
  5. Step 5: Solve for x
    x = 5,780,047,797.53/87,923.74
  6. Step 6: Final answer
    x = 65,739.33

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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.