Home / 106,488.22-159,685.72-39,881.64

Finding the Fourth Proportional to 106,488.22, 159,685.72 and 39,881.64

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Solution

The fourth proportional to 106,488.22, 159,685.72 and 39,881.64 is: 59,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,488.22 : 159,685.72 = 39,881.64 : x
  2. Step 2: Convert to fraction form
    106,488.22/159,685.72 = 39,881.64/x
  3. Step 3: Cross multiply
    106,488.22x = 159,685.72 × 39,881.64
  4. Step 4: Simplify right side
    106,488.22x = 6,368,528,398.18
  5. Step 5: Solve for x
    x = 6,368,528,398.18/106,488.22
  6. Step 6: Final answer
    x = 59,805.00

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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.