Home / 47,127.20-70,638.96-19,410.08

Finding the Fourth Proportional to 47,127.20, 70,638.96 and 19,410.08

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Solution

The fourth proportional to 47,127.20, 70,638.96 and 19,410.08 is: 29,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,127.20 : 70,638.96 = 19,410.08 : x
  2. Step 2: Convert to fraction form
    47,127.20/70,638.96 = 19,410.08/x
  3. Step 3: Cross multiply
    47,127.20x = 70,638.96 × 19,410.08
  4. Step 4: Simplify right side
    47,127.20x = 1,371,107,864.72
  5. Step 5: Solve for x
    x = 1,371,107,864.72/47,127.20
  6. Step 6: Final answer
    x = 29,093.77

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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.