Home / 91,111.02-125,736.33-52,867.68

Finding the Fourth Proportional to 91,111.02, 125,736.33 and 52,867.68

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Solution

The fourth proportional to 91,111.02, 125,736.33 and 52,867.68 is: 72,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,111.02 : 125,736.33 = 52,867.68 : x
  2. Step 2: Convert to fraction form
    91,111.02/125,736.33 = 52,867.68/x
  3. Step 3: Cross multiply
    91,111.02x = 125,736.33 × 52,867.68
  4. Step 4: Simplify right side
    91,111.02x = 6,647,388,058.81
  5. Step 5: Solve for x
    x = 6,647,388,058.81/91,111.02
  6. Step 6: Final answer
    x = 72,959.21

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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.