Home / 91,913.24-137,892.03-31,932.98

Finding the Fourth Proportional to 91,913.24, 137,892.03 and 31,932.98

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Solution

The fourth proportional to 91,913.24, 137,892.03 and 31,932.98 is: 47,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,913.24 : 137,892.03 = 31,932.98 : x
  2. Step 2: Convert to fraction form
    91,913.24/137,892.03 = 31,932.98/x
  3. Step 3: Cross multiply
    91,913.24x = 137,892.03 × 31,932.98
  4. Step 4: Simplify right side
    91,913.24x = 4,403,303,144.04
  5. Step 5: Solve for x
    x = 4,403,303,144.04/91,913.24
  6. Step 6: Final answer
    x = 47,907.17

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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.