Home / 97,427.14-146,054.31-47,479.30

Finding the Fourth Proportional to 97,427.14, 146,054.31 and 47,479.30

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Solution

The fourth proportional to 97,427.14, 146,054.31 and 47,479.30 is: 71,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.14 : 146,054.31 = 47,479.30 : x
  2. Step 2: Convert to fraction form
    97,427.14/146,054.31 = 47,479.30/x
  3. Step 3: Cross multiply
    97,427.14x = 146,054.31 × 47,479.30
  4. Step 4: Simplify right side
    97,427.14x = 6,934,556,400.78
  5. Step 5: Solve for x
    x = 6,934,556,400.78/97,427.14
  6. Step 6: Final answer
    x = 71,176.84

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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.