Home / 69,606.12-96,020.16-42,754.68

Finding the Fourth Proportional to 69,606.12, 96,020.16 and 42,754.68

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Solution

The fourth proportional to 69,606.12, 96,020.16 and 42,754.68 is: 58,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,606.12 : 96,020.16 = 42,754.68 : x
  2. Step 2: Convert to fraction form
    69,606.12/96,020.16 = 42,754.68/x
  3. Step 3: Cross multiply
    69,606.12x = 96,020.16 × 42,754.68
  4. Step 4: Simplify right side
    69,606.12x = 4,105,311,214.35
  5. Step 5: Solve for x
    x = 4,105,311,214.35/69,606.12
  6. Step 6: Final answer
    x = 58,979.17

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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.