Home / 79,947.17-119,983.39-55,774.26

Finding the Fourth Proportional to 79,947.17, 119,983.39 and 55,774.26

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Solution

The fourth proportional to 79,947.17, 119,983.39 and 55,774.26 is: 83,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,947.17 : 119,983.39 = 55,774.26 : x
  2. Step 2: Convert to fraction form
    79,947.17/119,983.39 = 55,774.26/x
  3. Step 3: Cross multiply
    79,947.17x = 119,983.39 × 55,774.26
  4. Step 4: Simplify right side
    79,947.17x = 6,691,984,650.11
  5. Step 5: Solve for x
    x = 6,691,984,650.11/79,947.17
  6. Step 6: Final answer
    x = 83,705.09

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1.5x scale

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.