Home / 79,632.20-109,897.34-43,830.11

Finding the Fourth Proportional to 79,632.20, 109,897.34 and 43,830.11

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Solution

The fourth proportional to 79,632.20, 109,897.34 and 43,830.11 is: 60,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,632.20 : 109,897.34 = 43,830.11 : x
  2. Step 2: Convert to fraction form
    79,632.20/109,897.34 = 43,830.11/x
  3. Step 3: Cross multiply
    79,632.20x = 109,897.34 × 43,830.11
  4. Step 4: Simplify right side
    79,632.20x = 4,816,812,556.50
  5. Step 5: Solve for x
    x = 4,816,812,556.50/79,632.20
  6. Step 6: Final answer
    x = 60,488.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.