Home / 87,904.36-121,316.70-50,184.28

Finding the Fourth Proportional to 87,904.36, 121,316.70 and 50,184.28

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Solution

The fourth proportional to 87,904.36, 121,316.70 and 50,184.28 is: 69,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,904.36 : 121,316.70 = 50,184.28 : x
  2. Step 2: Convert to fraction form
    87,904.36/121,316.70 = 50,184.28/x
  3. Step 3: Cross multiply
    87,904.36x = 121,316.70 × 50,184.28
  4. Step 4: Simplify right side
    87,904.36x = 6,088,191,241.48
  5. Step 5: Solve for x
    x = 6,088,191,241.48/87,904.36
  6. Step 6: Final answer
    x = 69,259.26

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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.