Home / 47,272.98-70,934.16-30,628.68

Finding the Fourth Proportional to 47,272.98, 70,934.16 and 30,628.68

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Solution

The fourth proportional to 47,272.98, 70,934.16 and 30,628.68 is: 45,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,272.98 : 70,934.16 = 30,628.68 : x
  2. Step 2: Convert to fraction form
    47,272.98/70,934.16 = 30,628.68/x
  3. Step 3: Cross multiply
    47,272.98x = 70,934.16 × 30,628.68
  4. Step 4: Simplify right side
    47,272.98x = 2,172,619,687.71
  5. Step 5: Solve for x
    x = 2,172,619,687.71/47,272.98
  6. Step 6: Final answer
    x = 45,959.02

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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.