Home / 97,731.60-146,597.40-67,664.40

Finding the Fourth Proportional to 97,731.60, 146,597.40 and 67,664.40

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Solution

The fourth proportional to 97,731.60, 146,597.40 and 67,664.40 is: 101,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.60 : 146,597.40 = 67,664.40 : x
  2. Step 2: Convert to fraction form
    97,731.60/146,597.40 = 67,664.40/x
  3. Step 3: Cross multiply
    97,731.60x = 146,597.40 × 67,664.40
  4. Step 4: Simplify right side
    97,731.60x = 9,919,425,112.56
  5. Step 5: Solve for x
    x = 9,919,425,112.56/97,731.60
  6. Step 6: Final answer
    x = 101,496.60

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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.