Home / 67,916.71-101,869.19-30,466.76

Finding the Fourth Proportional to 67,916.71, 101,869.19 and 30,466.76

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Solution

The fourth proportional to 67,916.71, 101,869.19 and 30,466.76 is: 45,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,916.71 : 101,869.19 = 30,466.76 : x
  2. Step 2: Convert to fraction form
    67,916.71/101,869.19 = 30,466.76/x
  3. Step 3: Cross multiply
    67,916.71x = 101,869.19 × 30,466.76
  4. Step 4: Simplify right side
    67,916.71x = 3,103,624,010.79
  5. Step 5: Solve for x
    x = 3,103,624,010.79/67,916.71
  6. Step 6: Final answer
    x = 45,697.51

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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.