Home / 91,571.04-137,407.59-49,450.23

Finding the Fourth Proportional to 91,571.04, 137,407.59 and 49,450.23

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Solution

The fourth proportional to 91,571.04, 137,407.59 and 49,450.23 is: 74,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.04 : 137,407.59 = 49,450.23 : x
  2. Step 2: Convert to fraction form
    91,571.04/137,407.59 = 49,450.23/x
  3. Step 3: Cross multiply
    91,571.04x = 137,407.59 × 49,450.23
  4. Step 4: Simplify right side
    91,571.04x = 6,794,836,929.25
  5. Step 5: Solve for x
    x = 6,794,836,929.25/91,571.04
  6. Step 6: Final answer
    x = 74,202.90

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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.