Home / 105,012.92-157,473.30-38,435.80

Finding the Fourth Proportional to 105,012.92, 157,473.30 and 38,435.80

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Solution

The fourth proportional to 105,012.92, 157,473.30 and 38,435.80 is: 57,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,012.92 : 157,473.30 = 38,435.80 : x
  2. Step 2: Convert to fraction form
    105,012.92/157,473.30 = 38,435.80/x
  3. Step 3: Cross multiply
    105,012.92x = 157,473.30 × 38,435.80
  4. Step 4: Simplify right side
    105,012.92x = 6,052,612,264.14
  5. Step 5: Solve for x
    x = 6,052,612,264.14/105,012.92
  6. Step 6: Final answer
    x = 57,636.83

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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.