Home / 62,983.31-94,479.95-20,861.69

Finding the Fourth Proportional to 62,983.31, 94,479.95 and 20,861.69

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Solution

The fourth proportional to 62,983.31, 94,479.95 and 20,861.69 is: 31,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,983.31 : 94,479.95 = 20,861.69 : x
  2. Step 2: Convert to fraction form
    62,983.31/94,479.95 = 20,861.69/x
  3. Step 3: Cross multiply
    62,983.31x = 94,479.95 × 20,861.69
  4. Step 4: Simplify right side
    62,983.31x = 1,971,011,007.87
  5. Step 5: Solve for x
    x = 1,971,011,007.87/62,983.31
  6. Step 6: Final answer
    x = 31,294.18

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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.