Home / 92,949.21-128,259.50-52,654.34

Finding the Fourth Proportional to 92,949.21, 128,259.50 and 52,654.34

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Solution

The fourth proportional to 92,949.21, 128,259.50 and 52,654.34 is: 72,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,949.21 : 128,259.50 = 52,654.34 : x
  2. Step 2: Convert to fraction form
    92,949.21/128,259.50 = 52,654.34/x
  3. Step 3: Cross multiply
    92,949.21x = 128,259.50 × 52,654.34
  4. Step 4: Simplify right side
    92,949.21x = 6,753,419,378.61
  5. Step 5: Solve for x
    x = 6,753,419,378.61/92,949.21
  6. Step 6: Final answer
    x = 72,657.09

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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.