Home / 97,977.60-146,966.40-35,640.96

Finding the Fourth Proportional to 97,977.60, 146,966.40 and 35,640.96

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Solution

The fourth proportional to 97,977.60, 146,966.40 and 35,640.96 is: 53,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,977.60 : 146,966.40 = 35,640.96 : x
  2. Step 2: Convert to fraction form
    97,977.60/146,966.40 = 35,640.96/x
  3. Step 3: Cross multiply
    97,977.60x = 146,966.40 × 35,640.96
  4. Step 4: Simplify right side
    97,977.60x = 5,238,023,583.74
  5. Step 5: Solve for x
    x = 5,238,023,583.74/97,977.60
  6. Step 6: Final answer
    x = 53,461.44

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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.