Home / 67,208.24-92,759.64-38,916.56

Finding the Fourth Proportional to 67,208.24, 92,759.64 and 38,916.56

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Solution

The fourth proportional to 67,208.24, 92,759.64 and 38,916.56 is: 53,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,208.24 : 92,759.64 = 38,916.56 : x
  2. Step 2: Convert to fraction form
    67,208.24/92,759.64 = 38,916.56/x
  3. Step 3: Cross multiply
    67,208.24x = 92,759.64 × 38,916.56
  4. Step 4: Simplify right side
    67,208.24x = 3,609,886,095.64
  5. Step 5: Solve for x
    x = 3,609,886,095.64/67,208.24
  6. Step 6: Final answer
    x = 53,711.96

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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.