Home / 91,515.54-137,278.80-35,364.33

Finding the Fourth Proportional to 91,515.54, 137,278.80 and 35,364.33

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Solution

The fourth proportional to 91,515.54, 137,278.80 and 35,364.33 is: 53,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,515.54 : 137,278.80 = 35,364.33 : x
  2. Step 2: Convert to fraction form
    91,515.54/137,278.80 = 35,364.33/x
  3. Step 3: Cross multiply
    91,515.54x = 137,278.80 × 35,364.33
  4. Step 4: Simplify right side
    91,515.54x = 4,854,772,785.20
  5. Step 5: Solve for x
    x = 4,854,772,785.20/91,515.54
  6. Step 6: Final answer
    x = 53,048.62

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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.