Home / 51,782.60-77,678.34-22,193.40

Finding the Fourth Proportional to 51,782.60, 77,678.34 and 22,193.40

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Solution

The fourth proportional to 51,782.60, 77,678.34 and 22,193.40 is: 33,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,782.60 : 77,678.34 = 22,193.40 : x
  2. Step 2: Convert to fraction form
    51,782.60/77,678.34 = 22,193.40/x
  3. Step 3: Cross multiply
    51,782.60x = 77,678.34 × 22,193.40
  4. Step 4: Simplify right side
    51,782.60x = 1,723,946,470.96
  5. Step 5: Solve for x
    x = 1,723,946,470.96/51,782.60
  6. Step 6: Final answer
    x = 33,292.01

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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.