Home / 91,530.08-137,315.83-49,409.26

Finding the Fourth Proportional to 91,530.08, 137,315.83 and 49,409.26

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Solution

The fourth proportional to 91,530.08, 137,315.83 and 49,409.26 is: 74,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,530.08 : 137,315.83 = 49,409.26 : x
  2. Step 2: Convert to fraction form
    91,530.08/137,315.83 = 49,409.26/x
  3. Step 3: Cross multiply
    91,530.08x = 137,315.83 × 49,409.26
  4. Step 4: Simplify right side
    91,530.08x = 6,784,673,546.59
  5. Step 5: Solve for x
    x = 6,784,673,546.59/91,530.08
  6. Step 6: Final answer
    x = 74,125.07

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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.