Home / 70,005.12-96,625.44-39,808.08

Finding the Fourth Proportional to 70,005.12, 96,625.44 and 39,808.08

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Solution

The fourth proportional to 70,005.12, 96,625.44 and 39,808.08 is: 54,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,005.12 : 96,625.44 = 39,808.08 : x
  2. Step 2: Convert to fraction form
    70,005.12/96,625.44 = 39,808.08/x
  3. Step 3: Cross multiply
    70,005.12x = 96,625.44 × 39,808.08
  4. Step 4: Simplify right side
    70,005.12x = 3,846,473,245.56
  5. Step 5: Solve for x
    x = 3,846,473,245.56/70,005.12
  6. Step 6: Final answer
    x = 54,945.60

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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.