Home / 105,593.76-158,423.40-43,269.12

Finding the Fourth Proportional to 105,593.76, 158,423.40 and 43,269.12

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Solution

The fourth proportional to 105,593.76, 158,423.40 and 43,269.12 is: 64,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,593.76 : 158,423.40 = 43,269.12 : x
  2. Step 2: Convert to fraction form
    105,593.76/158,423.40 = 43,269.12/x
  3. Step 3: Cross multiply
    105,593.76x = 158,423.40 × 43,269.12
  4. Step 4: Simplify right side
    105,593.76x = 6,854,841,105.41
  5. Step 5: Solve for x
    x = 6,854,841,105.41/105,593.76
  6. Step 6: Final answer
    x = 64,917.10

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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.