Home / 105,868.86-146,099.28-58,125.29

Finding the Fourth Proportional to 105,868.86, 146,099.28 and 58,125.29

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Solution

The fourth proportional to 105,868.86, 146,099.28 and 58,125.29 is: 80,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,868.86 : 146,099.28 = 58,125.29 : x
  2. Step 2: Convert to fraction form
    105,868.86/146,099.28 = 58,125.29/x
  3. Step 3: Cross multiply
    105,868.86x = 146,099.28 × 58,125.29
  4. Step 4: Simplify right side
    105,868.86x = 8,492,062,288.29
  5. Step 5: Solve for x
    x = 8,492,062,288.29/105,868.86
  6. Step 6: Final answer
    x = 80,213.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.