Home / 91,344.31-125,940.44-69,860.41

Finding the Fourth Proportional to 91,344.31, 125,940.44 and 69,860.41

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Solution

The fourth proportional to 91,344.31, 125,940.44 and 69,860.41 is: 96,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,344.31 : 125,940.44 = 69,860.41 : x
  2. Step 2: Convert to fraction form
    91,344.31/125,940.44 = 69,860.41/x
  3. Step 3: Cross multiply
    91,344.31x = 125,940.44 × 69,860.41
  4. Step 4: Simplify right side
    91,344.31x = 8,798,251,342.20
  5. Step 5: Solve for x
    x = 8,798,251,342.20/91,344.31
  6. Step 6: Final answer
    x = 96,319.64

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1.5x scale

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.