Home / 79,655.11-109,934.55-47,826.06

Finding the Fourth Proportional to 79,655.11, 109,934.55 and 47,826.06

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Solution

The fourth proportional to 79,655.11, 109,934.55 and 47,826.06 is: 66,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655.11 : 109,934.55 = 47,826.06 : x
  2. Step 2: Convert to fraction form
    79,655.11/109,934.55 = 47,826.06/x
  3. Step 3: Cross multiply
    79,655.11x = 109,934.55 × 47,826.06
  4. Step 4: Simplify right side
    79,655.11x = 5,257,736,025.83
  5. Step 5: Solve for x
    x = 5,257,736,025.83/79,655.11
  6. Step 6: Final answer
    x = 66,006.26

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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.