Home / 84,795.10-127,221.69-53,166.98

Finding the Fourth Proportional to 84,795.10, 127,221.69 and 53,166.98

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Solution

The fourth proportional to 84,795.10, 127,221.69 and 53,166.98 is: 79,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,795.10 : 127,221.69 = 53,166.98 : x
  2. Step 2: Convert to fraction form
    84,795.10/127,221.69 = 53,166.98/x
  3. Step 3: Cross multiply
    84,795.10x = 127,221.69 × 53,166.98
  4. Step 4: Simplify right side
    84,795.10x = 6,763,993,266.16
  5. Step 5: Solve for x
    x = 6,763,993,266.16/84,795.10
  6. Step 6: Final answer
    x = 79,768.68

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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.