Home / 70,269.12-104,902.80-67,808.16

Finding the Fourth Proportional to 70,269.12, 104,902.80 and 67,808.16

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Solution

The fourth proportional to 70,269.12, 104,902.80 and 67,808.16 is: 101,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,269.12 : 104,902.80 = 67,808.16 : x
  2. Step 2: Convert to fraction form
    70,269.12/104,902.80 = 67,808.16/x
  3. Step 3: Cross multiply
    70,269.12x = 104,902.80 × 67,808.16
  4. Step 4: Simplify right side
    70,269.12x = 7,113,265,846.85
  5. Step 5: Solve for x
    x = 7,113,265,846.85/70,269.12
  6. Step 6: Final answer
    x = 101,228.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.