Home / 69,765.52-96,279.66-39,141.56

Finding the Fourth Proportional to 69,765.52, 96,279.66 and 39,141.56

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Solution

The fourth proportional to 69,765.52, 96,279.66 and 39,141.56 is: 54,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,765.52 : 96,279.66 = 39,141.56 : x
  2. Step 2: Convert to fraction form
    69,765.52/96,279.66 = 39,141.56/x
  3. Step 3: Cross multiply
    69,765.52x = 96,279.66 × 39,141.56
  4. Step 4: Simplify right side
    69,765.52x = 3,768,536,088.67
  5. Step 5: Solve for x
    x = 3,768,536,088.67/69,765.52
  6. Step 6: Final answer
    x = 54,017.17

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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.