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Finding the Fourth Proportional to 70,340, 97,069.56 and 52,450.88

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Solution

The fourth proportional to 70,340, 97,069.56 and 52,450.88 is: 72,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340 : 97,069.56 = 52,450.88 : x
  2. Step 2: Convert to fraction form
    70,340/97,069.56 = 52,450.88/x
  3. Step 3: Cross multiply
    70,340x = 97,069.56 × 52,450.88
  4. Step 4: Simplify right side
    70,340x = 5,091,383,843.21
  5. Step 5: Solve for x
    x = 5,091,383,843.21/70,340
  6. Step 6: Final answer
    x = 72,382.48

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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.