Home / 42,668.18-64,002.66-16,366.70

Finding the Fourth Proportional to 42,668.18, 64,002.66 and 16,366.70

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Solution

The fourth proportional to 42,668.18, 64,002.66 and 16,366.70 is: 24,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668.18 : 64,002.66 = 16,366.70 : x
  2. Step 2: Convert to fraction form
    42,668.18/64,002.66 = 16,366.70/x
  3. Step 3: Cross multiply
    42,668.18x = 64,002.66 × 16,366.70
  4. Step 4: Simplify right side
    42,668.18x = 1,047,512,335.42
  5. Step 5: Solve for x
    x = 1,047,512,335.42/42,668.18
  6. Step 6: Final answer
    x = 24,550.20

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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.