Home / 91,816.25-137,782.64-39,226.13

Finding the Fourth Proportional to 91,816.25, 137,782.64 and 39,226.13

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Solution

The fourth proportional to 91,816.25, 137,782.64 and 39,226.13 is: 58,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,816.25 : 137,782.64 = 39,226.13 : x
  2. Step 2: Convert to fraction form
    91,816.25/137,782.64 = 39,226.13/x
  3. Step 3: Cross multiply
    91,816.25x = 137,782.64 × 39,226.13
  4. Step 4: Simplify right side
    91,816.25x = 5,404,679,552.25
  5. Step 5: Solve for x
    x = 5,404,679,552.25/91,816.25
  6. Step 6: Final answer
    x = 58,864.09

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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.