Home / 97,687.64-134,745.18-61,840.28

Finding the Fourth Proportional to 97,687.64, 134,745.18 and 61,840.28

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Solution

The fourth proportional to 97,687.64, 134,745.18 and 61,840.28 is: 85,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,687.64 : 134,745.18 = 61,840.28 : x
  2. Step 2: Convert to fraction form
    97,687.64/134,745.18 = 61,840.28/x
  3. Step 3: Cross multiply
    97,687.64x = 134,745.18 × 61,840.28
  4. Step 4: Simplify right side
    97,687.64x = 8,332,679,659.85
  5. Step 5: Solve for x
    x = 8,332,679,659.85/97,687.64
  6. Step 6: Final answer
    x = 85,299.22

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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.