Home / 52,267.75-78,376.88-20,261.81

Finding the Fourth Proportional to 52,267.75, 78,376.88 and 20,261.81

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Solution

The fourth proportional to 52,267.75, 78,376.88 and 20,261.81 is: 30,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,267.75 : 78,376.88 = 20,261.81 : x
  2. Step 2: Convert to fraction form
    52,267.75/78,376.88 = 20,261.81/x
  3. Step 3: Cross multiply
    52,267.75x = 78,376.88 × 20,261.81
  4. Step 4: Simplify right side
    52,267.75x = 1,588,057,697.55
  5. Step 5: Solve for x
    x = 1,588,057,697.55/52,267.75
  6. Step 6: Final answer
    x = 30,383.13

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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.