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Finding the Fourth Proportional to 79,336.60, 118,930.22 and 26,709.32

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Solution

The fourth proportional to 79,336.60, 118,930.22 and 26,709.32 is: 40,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,336.60 : 118,930.22 = 26,709.32 : x
  2. Step 2: Convert to fraction form
    79,336.60/118,930.22 = 26,709.32/x
  3. Step 3: Cross multiply
    79,336.60x = 118,930.22 × 26,709.32
  4. Step 4: Simplify right side
    79,336.60x = 3,176,545,303.65
  5. Step 5: Solve for x
    x = 3,176,545,303.65/79,336.60
  6. Step 6: Final answer
    x = 40,038.84

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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.