Home / 85,122.81-127,679.36-32,537.61

Finding the Fourth Proportional to 85,122.81, 127,679.36 and 32,537.61

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Solution

The fourth proportional to 85,122.81, 127,679.36 and 32,537.61 is: 48,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,122.81 : 127,679.36 = 32,537.61 : x
  2. Step 2: Convert to fraction form
    85,122.81/127,679.36 = 32,537.61/x
  3. Step 3: Cross multiply
    85,122.81x = 127,679.36 × 32,537.61
  4. Step 4: Simplify right side
    85,122.81x = 4,154,381,058.04
  5. Step 5: Solve for x
    x = 4,154,381,058.04/85,122.81
  6. Step 6: Final answer
    x = 48,804.56

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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.