Home / 105,916.25-158,856.86-34,839.77

Finding the Fourth Proportional to 105,916.25, 158,856.86 and 34,839.77

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Solution

The fourth proportional to 105,916.25, 158,856.86 and 34,839.77 is: 52,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.25 : 158,856.86 = 34,839.77 : x
  2. Step 2: Convert to fraction form
    105,916.25/158,856.86 = 34,839.77/x
  3. Step 3: Cross multiply
    105,916.25x = 158,856.86 × 34,839.77
  4. Step 4: Simplify right side
    105,916.25x = 5,534,536,465.32
  5. Step 5: Solve for x
    x = 5,534,536,465.32/105,916.25
  6. Step 6: Final answer
    x = 52,253.89

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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.