Home / 80,569.53-111,215.93-69,193.35

Finding the Fourth Proportional to 80,569.53, 111,215.93 and 69,193.35

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Solution

The fourth proportional to 80,569.53, 111,215.93 and 69,193.35 is: 95,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569.53 : 111,215.93 = 69,193.35 : x
  2. Step 2: Convert to fraction form
    80,569.53/111,215.93 = 69,193.35/x
  3. Step 3: Cross multiply
    80,569.53x = 111,215.93 × 69,193.35
  4. Step 4: Simplify right side
    80,569.53x = 7,695,402,424.10
  5. Step 5: Solve for x
    x = 7,695,402,424.10/80,569.53
  6. Step 6: Final answer
    x = 95,512.56

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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.