Home / 106,486.41-159,767.28-47,316.72

Finding the Fourth Proportional to 106,486.41, 159,767.28 and 47,316.72

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Solution

The fourth proportional to 106,486.41, 159,767.28 and 47,316.72 is: 70,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,486.41 : 159,767.28 = 47,316.72 : x
  2. Step 2: Convert to fraction form
    106,486.41/159,767.28 = 47,316.72/x
  3. Step 3: Cross multiply
    106,486.41x = 159,767.28 × 47,316.72
  4. Step 4: Simplify right side
    106,486.41x = 7,559,663,652.92
  5. Step 5: Solve for x
    x = 7,559,663,652.92/106,486.41
  6. Step 6: Final answer
    x = 70,991.82

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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.