Home / 84,891.08-127,390.08-47,475.66

Finding the Fourth Proportional to 84,891.08, 127,390.08 and 47,475.66

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Solution

The fourth proportional to 84,891.08, 127,390.08 and 47,475.66 is: 71,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891.08 : 127,390.08 = 47,475.66 : x
  2. Step 2: Convert to fraction form
    84,891.08/127,390.08 = 47,475.66/x
  3. Step 3: Cross multiply
    84,891.08x = 127,390.08 × 47,475.66
  4. Step 4: Simplify right side
    84,891.08x = 6,047,928,125.45
  5. Step 5: Solve for x
    x = 6,047,928,125.45/84,891.08
  6. Step 6: Final answer
    x = 71,243.39

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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.