Home / 61,913.22-92,883.16-19,217.76

Finding the Fourth Proportional to 61,913.22, 92,883.16 and 19,217.76

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Solution

The fourth proportional to 61,913.22, 92,883.16 and 19,217.76 is: 28,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,913.22 : 92,883.16 = 19,217.76 : x
  2. Step 2: Convert to fraction form
    61,913.22/92,883.16 = 19,217.76/x
  3. Step 3: Cross multiply
    61,913.22x = 92,883.16 × 19,217.76
  4. Step 4: Simplify right side
    61,913.22x = 1,785,006,276.92
  5. Step 5: Solve for x
    x = 1,785,006,276.92/61,913.22
  6. Step 6: Final answer
    x = 28,830.78

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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.