Home / 71,211.20-106,816.80-59,633.60

Finding the Fourth Proportional to 71,211.20, 106,816.80 and 59,633.60

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Solution

The fourth proportional to 71,211.20, 106,816.80 and 59,633.60 is: 89,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,211.20 : 106,816.80 = 59,633.60 : x
  2. Step 2: Convert to fraction form
    71,211.20/106,816.80 = 59,633.60/x
  3. Step 3: Cross multiply
    71,211.20x = 106,816.80 × 59,633.60
  4. Step 4: Simplify right side
    71,211.20x = 6,369,870,324.48
  5. Step 5: Solve for x
    x = 6,369,870,324.48/71,211.20
  6. Step 6: Final answer
    x = 89,450.40

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1.5x scale

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.