Home / 79,740.84-119,622.18-23,585.36

Finding the Fourth Proportional to 79,740.84, 119,622.18 and 23,585.36

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Solution

The fourth proportional to 79,740.84, 119,622.18 and 23,585.36 is: 35,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,740.84 : 119,622.18 = 23,585.36 : x
  2. Step 2: Convert to fraction form
    79,740.84/119,622.18 = 23,585.36/x
  3. Step 3: Cross multiply
    79,740.84x = 119,622.18 × 23,585.36
  4. Step 4: Simplify right side
    79,740.84x = 2,821,332,179.28
  5. Step 5: Solve for x
    x = 2,821,332,179.28/79,740.84
  6. Step 6: Final answer
    x = 35,381.27

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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.