Home / 87,292.26-120,434.58-50,985.36

Finding the Fourth Proportional to 87,292.26, 120,434.58 and 50,985.36

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Solution

The fourth proportional to 87,292.26, 120,434.58 and 50,985.36 is: 70,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,292.26 : 120,434.58 = 50,985.36 : x
  2. Step 2: Convert to fraction form
    87,292.26/120,434.58 = 50,985.36/x
  3. Step 3: Cross multiply
    87,292.26x = 120,434.58 × 50,985.36
  4. Step 4: Simplify right side
    87,292.26x = 6,140,400,417.75
  5. Step 5: Solve for x
    x = 6,140,400,417.75/87,292.26
  6. Step 6: Final answer
    x = 70,343.01

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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.