Home / 48,330.36-72,459.07-31,694.58

Finding the Fourth Proportional to 48,330.36, 72,459.07 and 31,694.58

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Solution

The fourth proportional to 48,330.36, 72,459.07 and 31,694.58 is: 47,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,330.36 : 72,459.07 = 31,694.58 : x
  2. Step 2: Convert to fraction form
    48,330.36/72,459.07 = 31,694.58/x
  3. Step 3: Cross multiply
    48,330.36x = 72,459.07 × 31,694.58
  4. Step 4: Simplify right side
    48,330.36x = 2,296,559,790.84
  5. Step 5: Solve for x
    x = 2,296,559,790.84/48,330.36
  6. Step 6: Final answer
    x = 47,517.95

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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.