Home / 100,418.08-150,534.96-34,708

Finding the Fourth Proportional to 100,418.08, 150,534.96 and 34,708

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Solution

The fourth proportional to 100,418.08, 150,534.96 and 34,708 is: 52,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,418.08 : 150,534.96 = 34,708 : x
  2. Step 2: Convert to fraction form
    100,418.08/150,534.96 = 34,708/x
  3. Step 3: Cross multiply
    100,418.08x = 150,534.96 × 34,708
  4. Step 4: Simplify right side
    100,418.08x = 5,224,767,391.68
  5. Step 5: Solve for x
    x = 5,224,767,391.68/100,418.08
  6. Step 6: Final answer
    x = 52,030.15

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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.