Home / 79,981.22-119,959.52-26,674.14

Finding the Fourth Proportional to 79,981.22, 119,959.52 and 26,674.14

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Solution

The fourth proportional to 79,981.22, 119,959.52 and 26,674.14 is: 40,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,981.22 : 119,959.52 = 26,674.14 : x
  2. Step 2: Convert to fraction form
    79,981.22/119,959.52 = 26,674.14/x
  3. Step 3: Cross multiply
    79,981.22x = 119,959.52 × 26,674.14
  4. Step 4: Simplify right side
    79,981.22x = 3,199,817,030.81
  5. Step 5: Solve for x
    x = 3,199,817,030.81/79,981.22
  6. Step 6: Final answer
    x = 40,007.10

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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.