Home / 104,744.32-157,126.24-42,419.68

Finding the Fourth Proportional to 104,744.32, 157,126.24 and 42,419.68

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Solution

The fourth proportional to 104,744.32, 157,126.24 and 42,419.68 is: 63,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,744.32 : 157,126.24 = 42,419.68 : x
  2. Step 2: Convert to fraction form
    104,744.32/157,126.24 = 42,419.68/x
  3. Step 3: Cross multiply
    104,744.32x = 157,126.24 × 42,419.68
  4. Step 4: Simplify right side
    104,744.32x = 6,665,244,820.40
  5. Step 5: Solve for x
    x = 6,665,244,820.40/104,744.32
  6. Step 6: Final answer
    x = 63,633.47

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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.