Home / 87,847.70-121,228.36-47,561.14

Finding the Fourth Proportional to 87,847.70, 121,228.36 and 47,561.14

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Solution

The fourth proportional to 87,847.70, 121,228.36 and 47,561.14 is: 65,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,847.70 : 121,228.36 = 47,561.14 : x
  2. Step 2: Convert to fraction form
    87,847.70/121,228.36 = 47,561.14/x
  3. Step 3: Cross multiply
    87,847.70x = 121,228.36 × 47,561.14
  4. Step 4: Simplify right side
    87,847.70x = 5,765,758,395.79
  5. Step 5: Solve for x
    x = 5,765,758,395.79/87,847.70
  6. Step 6: Final answer
    x = 65,633.57

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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.