Home / 106,118.08-159,243-61,764.64

Finding the Fourth Proportional to 106,118.08, 159,243 and 61,764.64

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Solution

The fourth proportional to 106,118.08, 159,243 and 61,764.64 is: 92,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,118.08 : 159,243 = 61,764.64 : x
  2. Step 2: Convert to fraction form
    106,118.08/159,243 = 61,764.64/x
  3. Step 3: Cross multiply
    106,118.08x = 159,243 × 61,764.64
  4. Step 4: Simplify right side
    106,118.08x = 9,835,586,567.52
  5. Step 5: Solve for x
    x = 9,835,586,567.52/106,118.08
  6. Step 6: Final answer
    x = 92,685.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.