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Finding the Fourth Proportional to 79,226.83, 118,865.65 and 23,070.31

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Solution

The fourth proportional to 79,226.83, 118,865.65 and 23,070.31 is: 34,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,226.83 : 118,865.65 = 23,070.31 : x
  2. Step 2: Convert to fraction form
    79,226.83/118,865.65 = 23,070.31/x
  3. Step 3: Cross multiply
    79,226.83x = 118,865.65 × 23,070.31
  4. Step 4: Simplify right side
    79,226.83x = 2,742,267,393.85
  5. Step 5: Solve for x
    x = 2,742,267,393.85/79,226.83
  6. Step 6: Final answer
    x = 34,612.86

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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.