Home / 76,392.10-114,514.34-26,434.64

Finding the Fourth Proportional to 76,392.10, 114,514.34 and 26,434.64

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Solution

The fourth proportional to 76,392.10, 114,514.34 and 26,434.64 is: 39,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,392.10 : 114,514.34 = 26,434.64 : x
  2. Step 2: Convert to fraction form
    76,392.10/114,514.34 = 26,434.64/x
  3. Step 3: Cross multiply
    76,392.10x = 114,514.34 × 26,434.64
  4. Step 4: Simplify right side
    76,392.10x = 3,027,145,352.74
  5. Step 5: Solve for x
    x = 3,027,145,352.74/76,392.10
  6. Step 6: Final answer
    x = 39,626.42

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1.5x scale

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.