Home / 83,770.20-115,601.58-46,043.64

Finding the Fourth Proportional to 83,770.20, 115,601.58 and 46,043.64

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Solution

The fourth proportional to 83,770.20, 115,601.58 and 46,043.64 is: 63,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,770.20 : 115,601.58 = 46,043.64 : x
  2. Step 2: Convert to fraction form
    83,770.20/115,601.58 = 46,043.64/x
  3. Step 3: Cross multiply
    83,770.20x = 115,601.58 × 46,043.64
  4. Step 4: Simplify right side
    83,770.20x = 5,322,717,532.95
  5. Step 5: Solve for x
    x = 5,322,717,532.95/83,770.20
  6. Step 6: Final answer
    x = 63,539.51

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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.