Home / 102,883.32-141,972.30-57,553.44

Finding the Fourth Proportional to 102,883.32, 141,972.30 and 57,553.44

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Solution

The fourth proportional to 102,883.32, 141,972.30 and 57,553.44 is: 79,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,883.32 : 141,972.30 = 57,553.44 : x
  2. Step 2: Convert to fraction form
    102,883.32/141,972.30 = 57,553.44/x
  3. Step 3: Cross multiply
    102,883.32x = 141,972.30 × 57,553.44
  4. Step 4: Simplify right side
    102,883.32x = 8,170,994,249.71
  5. Step 5: Solve for x
    x = 8,170,994,249.71/102,883.32
  6. Step 6: Final answer
    x = 79,420.01

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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.