Home / 97,715.25-134,847.09-55,272.87

Finding the Fourth Proportional to 97,715.25, 134,847.09 and 55,272.87

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Solution

The fourth proportional to 97,715.25, 134,847.09 and 55,272.87 is: 76,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,715.25 : 134,847.09 = 55,272.87 : x
  2. Step 2: Convert to fraction form
    97,715.25/134,847.09 = 55,272.87/x
  3. Step 3: Cross multiply
    97,715.25x = 134,847.09 × 55,272.87
  4. Step 4: Simplify right side
    97,715.25x = 7,453,385,675.45
  5. Step 5: Solve for x
    x = 7,453,385,675.45/97,715.25
  6. Step 6: Final answer
    x = 76,276.59

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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.