Home / 71,448.27-98,580.02-42,755.64

Finding the Fourth Proportional to 71,448.27, 98,580.02 and 42,755.64

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Solution

The fourth proportional to 71,448.27, 98,580.02 and 42,755.64 is: 58,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.27 : 98,580.02 = 42,755.64 : x
  2. Step 2: Convert to fraction form
    71,448.27/98,580.02 = 42,755.64/x
  3. Step 3: Cross multiply
    71,448.27x = 98,580.02 × 42,755.64
  4. Step 4: Simplify right side
    71,448.27x = 4,214,851,632.53
  5. Step 5: Solve for x
    x = 4,214,851,632.53/71,448.27
  6. Step 6: Final answer
    x = 58,991.65

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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.