Home / 105,484.28-158,226.54-38,895.56

Finding the Fourth Proportional to 105,484.28, 158,226.54 and 38,895.56

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Solution

The fourth proportional to 105,484.28, 158,226.54 and 38,895.56 is: 58,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,484.28 : 158,226.54 = 38,895.56 : x
  2. Step 2: Convert to fraction form
    105,484.28/158,226.54 = 38,895.56/x
  3. Step 3: Cross multiply
    105,484.28x = 158,226.54 × 38,895.56
  4. Step 4: Simplify right side
    105,484.28x = 6,154,309,880.16
  5. Step 5: Solve for x
    x = 6,154,309,880.16/105,484.28
  6. Step 6: Final answer
    x = 58,343.38

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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.