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Finding the Fourth Proportional to 76,612.32, 114,918.47 and 24,025.90

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Solution

The fourth proportional to 76,612.32, 114,918.47 and 24,025.90 is: 36,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,612.32 : 114,918.47 = 24,025.90 : x
  2. Step 2: Convert to fraction form
    76,612.32/114,918.47 = 24,025.90/x
  3. Step 3: Cross multiply
    76,612.32x = 114,918.47 × 24,025.90
  4. Step 4: Simplify right side
    76,612.32x = 2,761,019,668.37
  5. Step 5: Solve for x
    x = 2,761,019,668.37/76,612.32
  6. Step 6: Final answer
    x = 36,038.85

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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.