Home / 69,557.82-95,991.10-42,686.88

Finding the Fourth Proportional to 69,557.82, 95,991.10 and 42,686.88

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Solution

The fourth proportional to 69,557.82, 95,991.10 and 42,686.88 is: 58,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557.82 : 95,991.10 = 42,686.88 : x
  2. Step 2: Convert to fraction form
    69,557.82/95,991.10 = 42,686.88/x
  3. Step 3: Cross multiply
    69,557.82x = 95,991.10 × 42,686.88
  4. Step 4: Simplify right side
    69,557.82x = 4,097,560,566.77
  5. Step 5: Solve for x
    x = 4,097,560,566.77/69,557.82
  6. Step 6: Final answer
    x = 58,908.70

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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.