Home / 61,618.23-92,440.71-18,923.80

Finding the Fourth Proportional to 61,618.23, 92,440.71 and 18,923.80

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Solution

The fourth proportional to 61,618.23, 92,440.71 and 18,923.80 is: 28,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,618.23 : 92,440.71 = 18,923.80 : x
  2. Step 2: Convert to fraction form
    61,618.23/92,440.71 = 18,923.80/x
  3. Step 3: Cross multiply
    61,618.23x = 92,440.71 × 18,923.80
  4. Step 4: Simplify right side
    61,618.23x = 1,749,329,165.05
  5. Step 5: Solve for x
    x = 1,749,329,165.05/61,618.23
  6. Step 6: Final answer
    x = 28,389.80

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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.