Home / 61,372.86-92,059.38-18,678.66

Finding the Fourth Proportional to 61,372.86, 92,059.38 and 18,678.66

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Solution

The fourth proportional to 61,372.86, 92,059.38 and 18,678.66 is: 28,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.86 : 92,059.38 = 18,678.66 : x
  2. Step 2: Convert to fraction form
    61,372.86/92,059.38 = 18,678.66/x
  3. Step 3: Cross multiply
    61,372.86x = 92,059.38 × 18,678.66
  4. Step 4: Simplify right side
    61,372.86x = 1,719,545,858.83
  5. Step 5: Solve for x
    x = 1,719,545,858.83/61,372.86
  6. Step 6: Final answer
    x = 28,018.02

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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.