Home / 69,707.30-96,221.45-42,885.77

Finding the Fourth Proportional to 69,707.30, 96,221.45 and 42,885.77

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Solution

The fourth proportional to 69,707.30, 96,221.45 and 42,885.77 is: 59,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,707.30 : 96,221.45 = 42,885.77 : x
  2. Step 2: Convert to fraction form
    69,707.30/96,221.45 = 42,885.77/x
  3. Step 3: Cross multiply
    69,707.30x = 96,221.45 × 42,885.77
  4. Step 4: Simplify right side
    69,707.30x = 4,126,530,599.87
  5. Step 5: Solve for x
    x = 4,126,530,599.87/69,707.30
  6. Step 6: Final answer
    x = 59,197.97

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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.