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Finding the Fourth Proportional to 84,722.52, 116,909.34 and 46,480.44

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Solution

The fourth proportional to 84,722.52, 116,909.34 and 46,480.44 is: 64,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.52 : 116,909.34 = 46,480.44 : x
  2. Step 2: Convert to fraction form
    84,722.52/116,909.34 = 46,480.44/x
  3. Step 3: Cross multiply
    84,722.52x = 116,909.34 × 46,480.44
  4. Step 4: Simplify right side
    84,722.52x = 5,433,997,563.31
  5. Step 5: Solve for x
    x = 5,433,997,563.31/84,722.52
  6. Step 6: Final answer
    x = 64,138.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.