Home / 80,525.16-120,787.74-21,365.46

Finding the Fourth Proportional to 80,525.16, 120,787.74 and 21,365.46

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Solution

The fourth proportional to 80,525.16, 120,787.74 and 21,365.46 is: 32,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525.16 : 120,787.74 = 21,365.46 : x
  2. Step 2: Convert to fraction form
    80,525.16/120,787.74 = 21,365.46/x
  3. Step 3: Cross multiply
    80,525.16x = 120,787.74 × 21,365.46
  4. Step 4: Simplify right side
    80,525.16x = 2,580,685,627.46
  5. Step 5: Solve for x
    x = 2,580,685,627.46/80,525.16
  6. Step 6: Final answer
    x = 32,048.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.