Home / 47,133.20-70,647.96-19,416.08

Finding the Fourth Proportional to 47,133.20, 70,647.96 and 19,416.08

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Solution

The fourth proportional to 47,133.20, 70,647.96 and 19,416.08 is: 29,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,133.20 : 70,647.96 = 19,416.08 : x
  2. Step 2: Convert to fraction form
    47,133.20/70,647.96 = 19,416.08/x
  3. Step 3: Cross multiply
    47,133.20x = 70,647.96 × 19,416.08
  4. Step 4: Simplify right side
    47,133.20x = 1,371,706,443.20
  5. Step 5: Solve for x
    x = 1,371,706,443.20/47,133.20
  6. Step 6: Final answer
    x = 29,102.76

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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.