Home / 72,070.04-108,171.50-36,556.28

Finding the Fourth Proportional to 72,070.04, 108,171.50 and 36,556.28

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Solution

The fourth proportional to 72,070.04, 108,171.50 and 36,556.28 is: 54,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070.04 : 108,171.50 = 36,556.28 : x
  2. Step 2: Convert to fraction form
    72,070.04/108,171.50 = 36,556.28/x
  3. Step 3: Cross multiply
    72,070.04x = 108,171.50 × 36,556.28
  4. Step 4: Simplify right side
    72,070.04x = 3,954,346,918.38
  5. Step 5: Solve for x
    x = 3,954,346,918.38/72,070.04
  6. Step 6: Final answer
    x = 54,868.11

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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.