Home / 69,871.16-96,417.33-39,657.09

Finding the Fourth Proportional to 69,871.16, 96,417.33 and 39,657.09

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Solution

The fourth proportional to 69,871.16, 96,417.33 and 39,657.09 is: 54,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871.16 : 96,417.33 = 39,657.09 : x
  2. Step 2: Convert to fraction form
    69,871.16/96,417.33 = 39,657.09/x
  3. Step 3: Cross multiply
    69,871.16x = 96,417.33 × 39,657.09
  4. Step 4: Simplify right side
    69,871.16x = 3,823,630,634.23
  5. Step 5: Solve for x
    x = 3,823,630,634.23/69,871.16
  6. Step 6: Final answer
    x = 54,724.02

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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.