Home / 79,920.16-119,880.20-23,760.02

Finding the Fourth Proportional to 79,920.16, 119,880.20 and 23,760.02

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Solution

The fourth proportional to 79,920.16, 119,880.20 and 23,760.02 is: 35,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,920.16 : 119,880.20 = 23,760.02 : x
  2. Step 2: Convert to fraction form
    79,920.16/119,880.20 = 23,760.02/x
  3. Step 3: Cross multiply
    79,920.16x = 119,880.20 × 23,760.02
  4. Step 4: Simplify right side
    79,920.16x = 2,848,356,308.70
  5. Step 5: Solve for x
    x = 2,848,356,308.70/79,920.16
  6. Step 6: Final answer
    x = 35,640.02

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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.