Home / 84,336.46-116,479.96-57,432.24

Finding the Fourth Proportional to 84,336.46, 116,479.96 and 57,432.24

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Solution

The fourth proportional to 84,336.46, 116,479.96 and 57,432.24 is: 79,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,336.46 : 116,479.96 = 57,432.24 : x
  2. Step 2: Convert to fraction form
    84,336.46/116,479.96 = 57,432.24/x
  3. Step 3: Cross multiply
    84,336.46x = 116,479.96 × 57,432.24
  4. Step 4: Simplify right side
    84,336.46x = 6,689,704,874.33
  5. Step 5: Solve for x
    x = 6,689,704,874.33/84,336.46
  6. Step 6: Final answer
    x = 79,321.63

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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.