Home / 52,320.98-78,479.70-22,738.81

Finding the Fourth Proportional to 52,320.98, 78,479.70 and 22,738.81

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Solution

The fourth proportional to 52,320.98, 78,479.70 and 22,738.81 is: 34,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.98 : 78,479.70 = 22,738.81 : x
  2. Step 2: Convert to fraction form
    52,320.98/78,479.70 = 22,738.81/x
  3. Step 3: Cross multiply
    52,320.98x = 78,479.70 × 22,738.81
  4. Step 4: Simplify right side
    52,320.98x = 1,784,534,987.16
  5. Step 5: Solve for x
    x = 1,784,534,987.16/52,320.98
  6. Step 6: Final answer
    x = 34,107.45

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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.