Home / 61,332.05-91,932.44-31,720.07

Finding the Fourth Proportional to 61,332.05, 91,932.44 and 31,720.07

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Solution

The fourth proportional to 61,332.05, 91,932.44 and 31,720.07 is: 47,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,332.05 : 91,932.44 = 31,720.07 : x
  2. Step 2: Convert to fraction form
    61,332.05/91,932.44 = 31,720.07/x
  3. Step 3: Cross multiply
    61,332.05x = 91,932.44 × 31,720.07
  4. Step 4: Simplify right side
    61,332.05x = 2,916,103,503.30
  5. Step 5: Solve for x
    x = 2,916,103,503.30/61,332.05
  6. Step 6: Final answer
    x = 47,546.16

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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.