Home / 102,518.20-153,777.30-36,033.40

Finding the Fourth Proportional to 102,518.20, 153,777.30 and 36,033.40

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Solution

The fourth proportional to 102,518.20, 153,777.30 and 36,033.40 is: 54,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,518.20 : 153,777.30 = 36,033.40 : x
  2. Step 2: Convert to fraction form
    102,518.20/153,777.30 = 36,033.40/x
  3. Step 3: Cross multiply
    102,518.20x = 153,777.30 × 36,033.40
  4. Step 4: Simplify right side
    102,518.20x = 5,541,118,961.82
  5. Step 5: Solve for x
    x = 5,541,118,961.82/102,518.20
  6. Step 6: Final answer
    x = 54,050.10

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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.