Home / 91,604.47-137,384.61-38,267.64

Finding the Fourth Proportional to 91,604.47, 137,384.61 and 38,267.64

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Solution

The fourth proportional to 91,604.47, 137,384.61 and 38,267.64 is: 57,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,604.47 : 137,384.61 = 38,267.64 : x
  2. Step 2: Convert to fraction form
    91,604.47/137,384.61 = 38,267.64/x
  3. Step 3: Cross multiply
    91,604.47x = 137,384.61 × 38,267.64
  4. Step 4: Simplify right side
    91,604.47x = 5,257,384,653.52
  5. Step 5: Solve for x
    x = 5,257,384,653.52/91,604.47
  6. Step 6: Final answer
    x = 57,392.23

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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.