Home / 91,519.70-137,300.40-35,359.97

Finding the Fourth Proportional to 91,519.70, 137,300.40 and 35,359.97

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Solution

The fourth proportional to 91,519.70, 137,300.40 and 35,359.97 is: 53,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,519.70 : 137,300.40 = 35,359.97 : x
  2. Step 2: Convert to fraction form
    91,519.70/137,300.40 = 35,359.97/x
  3. Step 3: Cross multiply
    91,519.70x = 137,300.40 × 35,359.97
  4. Step 4: Simplify right side
    91,519.70x = 4,854,937,338.49
  5. Step 5: Solve for x
    x = 4,854,937,338.49/91,519.70
  6. Step 6: Final answer
    x = 53,048.01

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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.