Home / 61,801.93-92,711.77-19,110.69

Finding the Fourth Proportional to 61,801.93, 92,711.77 and 19,110.69

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Solution

The fourth proportional to 61,801.93, 92,711.77 and 19,110.69 is: 28,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.93 : 92,711.77 = 19,110.69 : x
  2. Step 2: Convert to fraction form
    61,801.93/92,711.77 = 19,110.69/x
  3. Step 3: Cross multiply
    61,801.93x = 92,711.77 × 19,110.69
  4. Step 4: Simplify right side
    61,801.93x = 1,771,785,432.26
  5. Step 5: Solve for x
    x = 1,771,785,432.26/61,801.93
  6. Step 6: Final answer
    x = 28,668.77

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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.