Home / 91,718.36-137,577.72-25,159.44

Finding the Fourth Proportional to 91,718.36, 137,577.72 and 25,159.44

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Solution

The fourth proportional to 91,718.36, 137,577.72 and 25,159.44 is: 37,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,718.36 : 137,577.72 = 25,159.44 : x
  2. Step 2: Convert to fraction form
    91,718.36/137,577.72 = 25,159.44/x
  3. Step 3: Cross multiply
    91,718.36x = 137,577.72 × 25,159.44
  4. Step 4: Simplify right side
    91,718.36x = 3,461,378,391.68
  5. Step 5: Solve for x
    x = 3,461,378,391.68/91,718.36
  6. Step 6: Final answer
    x = 37,739.21

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1.5x scale

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.