Home / 74,336.20-111,504.30-60,339.40

Finding the Fourth Proportional to 74,336.20, 111,504.30 and 60,339.40

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Solution

The fourth proportional to 74,336.20, 111,504.30 and 60,339.40 is: 90,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,336.20 : 111,504.30 = 60,339.40 : x
  2. Step 2: Convert to fraction form
    74,336.20/111,504.30 = 60,339.40/x
  3. Step 3: Cross multiply
    74,336.20x = 111,504.30 × 60,339.40
  4. Step 4: Simplify right side
    74,336.20x = 6,728,102,559.42
  5. Step 5: Solve for x
    x = 6,728,102,559.42/74,336.20
  6. Step 6: Final answer
    x = 90,509.10

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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.