Home / 51,760.09-71,428.50-29,099.18

Finding the Fourth Proportional to 51,760.09, 71,428.50 and 29,099.18

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Solution

The fourth proportional to 51,760.09, 71,428.50 and 29,099.18 is: 40,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.09 : 71,428.50 = 29,099.18 : x
  2. Step 2: Convert to fraction form
    51,760.09/71,428.50 = 29,099.18/x
  3. Step 3: Cross multiply
    51,760.09x = 71,428.50 × 29,099.18
  4. Step 4: Simplify right side
    51,760.09x = 2,078,510,848.08
  5. Step 5: Solve for x
    x = 2,078,510,848.08/51,760.09
  6. Step 6: Final answer
    x = 40,156.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.