Home / 79,705.28-119,570.88-27,109.28

Finding the Fourth Proportional to 79,705.28, 119,570.88 and 27,109.28

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Solution

The fourth proportional to 79,705.28, 119,570.88 and 27,109.28 is: 40,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,705.28 : 119,570.88 = 27,109.28 : x
  2. Step 2: Convert to fraction form
    79,705.28/119,570.88 = 27,109.28/x
  3. Step 3: Cross multiply
    79,705.28x = 119,570.88 × 27,109.28
  4. Step 4: Simplify right side
    79,705.28x = 3,241,480,465.77
  5. Step 5: Solve for x
    x = 3,241,480,465.77/79,705.28
  6. Step 6: Final answer
    x = 40,668.33

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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.