Home / 87,968.04-121,412.15-50,242.29

Finding the Fourth Proportional to 87,968.04, 121,412.15 and 50,242.29

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Solution

The fourth proportional to 87,968.04, 121,412.15 and 50,242.29 is: 69,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.04 : 121,412.15 = 50,242.29 : x
  2. Step 2: Convert to fraction form
    87,968.04/121,412.15 = 50,242.29/x
  3. Step 3: Cross multiply
    87,968.04x = 121,412.15 × 50,242.29
  4. Step 4: Simplify right side
    87,968.04x = 6,100,024,449.82
  5. Step 5: Solve for x
    x = 6,100,024,449.82/87,968.04
  6. Step 6: Final answer
    x = 69,343.64

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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.