Home / 106,447.96-159,693.54-39,886.84

Finding the Fourth Proportional to 106,447.96, 159,693.54 and 39,886.84

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Solution

The fourth proportional to 106,447.96, 159,693.54 and 39,886.84 is: 59,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,447.96 : 159,693.54 = 39,886.84 : x
  2. Step 2: Convert to fraction form
    106,447.96/159,693.54 = 39,886.84/x
  3. Step 3: Cross multiply
    106,447.96x = 159,693.54 × 39,886.84
  4. Step 4: Simplify right side
    106,447.96x = 6,369,670,679.01
  5. Step 5: Solve for x
    x = 6,369,670,679.01/106,447.96
  6. Step 6: Final answer
    x = 59,838.35

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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.