Home / 70,012.08-96,620.09-39,394.76

Finding the Fourth Proportional to 70,012.08, 96,620.09 and 39,394.76

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Solution

The fourth proportional to 70,012.08, 96,620.09 and 39,394.76 is: 54,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.08 : 96,620.09 = 39,394.76 : x
  2. Step 2: Convert to fraction form
    70,012.08/96,620.09 = 39,394.76/x
  3. Step 3: Cross multiply
    70,012.08x = 96,620.09 × 39,394.76
  4. Step 4: Simplify right side
    70,012.08x = 3,806,325,301.30
  5. Step 5: Solve for x
    x = 3,806,325,301.30/70,012.08
  6. Step 6: Final answer
    x = 54,366.69

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1.5x scale

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.