Home / 85,300.20-127,966.70-32,705.58

Finding the Fourth Proportional to 85,300.20, 127,966.70 and 32,705.58

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Solution

The fourth proportional to 85,300.20, 127,966.70 and 32,705.58 is: 49,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.20 : 127,966.70 = 32,705.58 : x
  2. Step 2: Convert to fraction form
    85,300.20/127,966.70 = 32,705.58/x
  3. Step 3: Cross multiply
    85,300.20x = 127,966.70 × 32,705.58
  4. Step 4: Simplify right side
    85,300.20x = 4,185,225,464.10
  5. Step 5: Solve for x
    x = 4,185,225,464.10/85,300.20
  6. Step 6: Final answer
    x = 49,064.66

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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.