Home / 97,729.60-146,594.40-66,236.80

Finding the Fourth Proportional to 97,729.60, 146,594.40 and 66,236.80

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Solution

The fourth proportional to 97,729.60, 146,594.40 and 66,236.80 is: 99,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,729.60 : 146,594.40 = 66,236.80 : x
  2. Step 2: Convert to fraction form
    97,729.60/146,594.40 = 66,236.80/x
  3. Step 3: Cross multiply
    97,729.60x = 146,594.40 × 66,236.80
  4. Step 4: Simplify right side
    97,729.60x = 9,709,943,953.92
  5. Step 5: Solve for x
    x = 9,709,943,953.92/97,729.60
  6. Step 6: Final answer
    x = 99,355.20

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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.