Home / 77,599.72-116,402.10-21,444.04

Finding the Fourth Proportional to 77,599.72, 116,402.10 and 21,444.04

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Solution

The fourth proportional to 77,599.72, 116,402.10 and 21,444.04 is: 32,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,599.72 : 116,402.10 = 21,444.04 : x
  2. Step 2: Convert to fraction form
    77,599.72/116,402.10 = 21,444.04/x
  3. Step 3: Cross multiply
    77,599.72x = 116,402.10 × 21,444.04
  4. Step 4: Simplify right side
    77,599.72x = 2,496,131,288.48
  5. Step 5: Solve for x
    x = 2,496,131,288.48/77,599.72
  6. Step 6: Final answer
    x = 32,166.76

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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.