Home / 105,471.26-158,181.96-38,875.22

Finding the Fourth Proportional to 105,471.26, 158,181.96 and 38,875.22

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Solution

The fourth proportional to 105,471.26, 158,181.96 and 38,875.22 is: 58,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,471.26 : 158,181.96 = 38,875.22 : x
  2. Step 2: Convert to fraction form
    105,471.26/158,181.96 = 38,875.22/x
  3. Step 3: Cross multiply
    105,471.26x = 158,181.96 × 38,875.22
  4. Step 4: Simplify right side
    105,471.26x = 6,149,358,495.03
  5. Step 5: Solve for x
    x = 6,149,358,495.03/105,471.26
  6. Step 6: Final answer
    x = 58,303.64

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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.