Home / 87,334.64-120,426.44-58,991.12

Finding the Fourth Proportional to 87,334.64, 120,426.44 and 58,991.12

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Solution

The fourth proportional to 87,334.64, 120,426.44 and 58,991.12 is: 81,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,334.64 : 120,426.44 = 58,991.12 : x
  2. Step 2: Convert to fraction form
    87,334.64/120,426.44 = 58,991.12/x
  3. Step 3: Cross multiply
    87,334.64x = 120,426.44 × 58,991.12
  4. Step 4: Simplify right side
    87,334.64x = 7,104,090,573.21
  5. Step 5: Solve for x
    x = 7,104,090,573.21/87,334.64
  6. Step 6: Final answer
    x = 81,343.33

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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.