Home / 47,275.18-70,907.28-19,166.74

Finding the Fourth Proportional to 47,275.18, 70,907.28 and 19,166.74

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Solution

The fourth proportional to 47,275.18, 70,907.28 and 19,166.74 is: 28,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,275.18 : 70,907.28 = 19,166.74 : x
  2. Step 2: Convert to fraction form
    47,275.18/70,907.28 = 19,166.74/x
  3. Step 3: Cross multiply
    47,275.18x = 70,907.28 × 19,166.74
  4. Step 4: Simplify right side
    47,275.18x = 1,359,061,399.87
  5. Step 5: Solve for x
    x = 1,359,061,399.87/47,275.18
  6. Step 6: Final answer
    x = 28,747.88

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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.