Home / 47,872.69-71,819.36-23,870.08

Finding the Fourth Proportional to 47,872.69, 71,819.36 and 23,870.08

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Solution

The fourth proportional to 47,872.69, 71,819.36 and 23,870.08 is: 35,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872.69 : 71,819.36 = 23,870.08 : x
  2. Step 2: Convert to fraction form
    47,872.69/71,819.36 = 23,870.08/x
  3. Step 3: Cross multiply
    47,872.69x = 71,819.36 × 23,870.08
  4. Step 4: Simplify right side
    47,872.69x = 1,714,333,749.40
  5. Step 5: Solve for x
    x = 1,714,333,749.40/47,872.69
  6. Step 6: Final answer
    x = 35,810.27

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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.