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Finding the Fourth Proportional to 76,480.77, 114,794.15 and 46,956.27

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Solution

The fourth proportional to 76,480.77, 114,794.15 and 46,956.27 is: 70,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,480.77 : 114,794.15 = 46,956.27 : x
  2. Step 2: Convert to fraction form
    76,480.77/114,794.15 = 46,956.27/x
  3. Step 3: Cross multiply
    76,480.77x = 114,794.15 × 46,956.27
  4. Step 4: Simplify right side
    76,480.77x = 5,390,305,101.82
  5. Step 5: Solve for x
    x = 5,390,305,101.82/76,480.77
  6. Step 6: Final answer
    x = 70,479.22

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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.