Home / 90,769.43-125,254.37-52,531.77

Finding the Fourth Proportional to 90,769.43, 125,254.37 and 52,531.77

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Solution

The fourth proportional to 90,769.43, 125,254.37 and 52,531.77 is: 72,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,769.43 : 125,254.37 = 52,531.77 : x
  2. Step 2: Convert to fraction form
    90,769.43/125,254.37 = 52,531.77/x
  3. Step 3: Cross multiply
    90,769.43x = 125,254.37 × 52,531.77
  4. Step 4: Simplify right side
    90,769.43x = 6,579,834,061.88
  5. Step 5: Solve for x
    x = 6,579,834,061.88/90,769.43
  6. Step 6: Final answer
    x = 72,489.54

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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.