Home / 105,294.24-157,834.92-45,361.80

Finding the Fourth Proportional to 105,294.24, 157,834.92 and 45,361.80

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Solution

The fourth proportional to 105,294.24, 157,834.92 and 45,361.80 is: 67,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,294.24 : 157,834.92 = 45,361.80 : x
  2. Step 2: Convert to fraction form
    105,294.24/157,834.92 = 45,361.80/x
  3. Step 3: Cross multiply
    105,294.24x = 157,834.92 × 45,361.80
  4. Step 4: Simplify right side
    105,294.24x = 7,159,676,074.06
  5. Step 5: Solve for x
    x = 7,159,676,074.06/105,294.24
  6. Step 6: Final answer
    x = 67,996.84

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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.