Home / 102,776.16-154,051.62-52,858.89

Finding the Fourth Proportional to 102,776.16, 154,051.62 and 52,858.89

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Solution

The fourth proportional to 102,776.16, 154,051.62 and 52,858.89 is: 79,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,776.16 : 154,051.62 = 52,858.89 : x
  2. Step 2: Convert to fraction form
    102,776.16/154,051.62 = 52,858.89/x
  3. Step 3: Cross multiply
    102,776.16x = 154,051.62 × 52,858.89
  4. Step 4: Simplify right side
    102,776.16x = 8,142,997,635.90
  5. Step 5: Solve for x
    x = 8,142,997,635.90/102,776.16
  6. Step 6: Final answer
    x = 79,230.41

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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.