Home / 91,223.71-136,832.55-41,303.80

Finding the Fourth Proportional to 91,223.71, 136,832.55 and 41,303.80

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Solution

The fourth proportional to 91,223.71, 136,832.55 and 41,303.80 is: 61,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,223.71 : 136,832.55 = 41,303.80 : x
  2. Step 2: Convert to fraction form
    91,223.71/136,832.55 = 41,303.80/x
  3. Step 3: Cross multiply
    91,223.71x = 136,832.55 × 41,303.80
  4. Step 4: Simplify right side
    91,223.71x = 5,651,704,278.69
  5. Step 5: Solve for x
    x = 5,651,704,278.69/91,223.71
  6. Step 6: Final answer
    x = 61,954.33

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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.