Home / 85,300.16-127,966.64-32,705.54

Finding the Fourth Proportional to 85,300.16, 127,966.64 and 32,705.54

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Solution

The fourth proportional to 85,300.16, 127,966.64 and 32,705.54 is: 49,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.16 : 127,966.64 = 32,705.54 : x
  2. Step 2: Convert to fraction form
    85,300.16/127,966.64 = 32,705.54/x
  3. Step 3: Cross multiply
    85,300.16x = 127,966.64 × 32,705.54
  4. Step 4: Simplify right side
    85,300.16x = 4,185,217,899.66
  5. Step 5: Solve for x
    x = 4,185,217,899.66/85,300.16
  6. Step 6: Final answer
    x = 49,064.60

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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.