Home / 69,952.30-96,531.36-38,120.51

Finding the Fourth Proportional to 69,952.30, 96,531.36 and 38,120.51

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Solution

The fourth proportional to 69,952.30, 96,531.36 and 38,120.51 is: 52,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.30 : 96,531.36 = 38,120.51 : x
  2. Step 2: Convert to fraction form
    69,952.30/96,531.36 = 38,120.51/x
  3. Step 3: Cross multiply
    69,952.30x = 96,531.36 × 38,120.51
  4. Step 4: Simplify right side
    69,952.30x = 3,679,824,674.19
  5. Step 5: Solve for x
    x = 3,679,824,674.19/69,952.30
  6. Step 6: Final answer
    x = 52,604.77

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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.