Home / 115,057.02-158,767.38-67,301.04

Finding the Fourth Proportional to 115,057.02, 158,767.38 and 67,301.04

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Solution

The fourth proportional to 115,057.02, 158,767.38 and 67,301.04 is: 92,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,057.02 : 158,767.38 = 67,301.04 : x
  2. Step 2: Convert to fraction form
    115,057.02/158,767.38 = 67,301.04/x
  3. Step 3: Cross multiply
    115,057.02x = 158,767.38 × 67,301.04
  4. Step 4: Simplify right side
    115,057.02x = 10,685,209,792.08
  5. Step 5: Solve for x
    x = 10,685,209,792.08/115,057.02
  6. Step 6: Final answer
    x = 92,868.82

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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.