Home / 61,924.14-85,490.73-40,764.91

Finding the Fourth Proportional to 61,924.14, 85,490.73 and 40,764.91

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Solution

The fourth proportional to 61,924.14, 85,490.73 and 40,764.91 is: 56,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,924.14 : 85,490.73 = 40,764.91 : x
  2. Step 2: Convert to fraction form
    61,924.14/85,490.73 = 40,764.91/x
  3. Step 3: Cross multiply
    61,924.14x = 85,490.73 × 40,764.91
  4. Step 4: Simplify right side
    61,924.14x = 3,485,021,914.28
  5. Step 5: Solve for x
    x = 3,485,021,914.28/61,924.14
  6. Step 6: Final answer
    x = 56,278.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.