Home / 105,079.08-157,562.96-45,845.56

Finding the Fourth Proportional to 105,079.08, 157,562.96 and 45,845.56

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Solution

The fourth proportional to 105,079.08, 157,562.96 and 45,845.56 is: 68,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079.08 : 157,562.96 = 45,845.56 : x
  2. Step 2: Convert to fraction form
    105,079.08/157,562.96 = 45,845.56/x
  3. Step 3: Cross multiply
    105,079.08x = 157,562.96 × 45,845.56
  4. Step 4: Simplify right side
    105,079.08x = 7,223,562,136.46
  5. Step 5: Solve for x
    x = 7,223,562,136.46/105,079.08
  6. Step 6: Final answer
    x = 68,744.06

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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.