Home / 79,740.58-119,621.81-23,585.11

Finding the Fourth Proportional to 79,740.58, 119,621.81 and 23,585.11

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Solution

The fourth proportional to 79,740.58, 119,621.81 and 23,585.11 is: 35,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,740.58 : 119,621.81 = 23,585.11 : x
  2. Step 2: Convert to fraction form
    79,740.58/119,621.81 = 23,585.11/x
  3. Step 3: Cross multiply
    79,740.58x = 119,621.81 × 23,585.11
  4. Step 4: Simplify right side
    79,740.58x = 2,821,292,831.21
  5. Step 5: Solve for x
    x = 2,821,292,831.21/79,740.58
  6. Step 6: Final answer
    x = 35,380.89

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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.