Home / 91,719.36-137,579.22-25,160.44

Finding the Fourth Proportional to 91,719.36, 137,579.22 and 25,160.44

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Solution

The fourth proportional to 91,719.36, 137,579.22 and 25,160.44 is: 37,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,719.36 : 137,579.22 = 25,160.44 : x
  2. Step 2: Convert to fraction form
    91,719.36/137,579.22 = 25,160.44/x
  3. Step 3: Cross multiply
    91,719.36x = 137,579.22 × 25,160.44
  4. Step 4: Simplify right side
    91,719.36x = 3,461,553,710.06
  5. Step 5: Solve for x
    x = 3,461,553,710.06/91,719.36
  6. Step 6: Final answer
    x = 37,740.71

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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.