Home / 61,880.31-92,819.49-19,760.13

Finding the Fourth Proportional to 61,880.31, 92,819.49 and 19,760.13

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Solution

The fourth proportional to 61,880.31, 92,819.49 and 19,760.13 is: 29,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880.31 : 92,819.49 = 19,760.13 : x
  2. Step 2: Convert to fraction form
    61,880.31/92,819.49 = 19,760.13/x
  3. Step 3: Cross multiply
    61,880.31x = 92,819.49 × 19,760.13
  4. Step 4: Simplify right side
    61,880.31x = 1,834,125,188.93
  5. Step 5: Solve for x
    x = 1,834,125,188.93/61,880.31
  6. Step 6: Final answer
    x = 29,639.88

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1.5x scale

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.