Home / 97,759.28-134,907-55,317.44

Finding the Fourth Proportional to 97,759.28, 134,907 and 55,317.44

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Solution

The fourth proportional to 97,759.28, 134,907 and 55,317.44 is: 76,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,759.28 : 134,907 = 55,317.44 : x
  2. Step 2: Convert to fraction form
    97,759.28/134,907 = 55,317.44/x
  3. Step 3: Cross multiply
    97,759.28x = 134,907 × 55,317.44
  4. Step 4: Simplify right side
    97,759.28x = 7,462,709,878.08
  5. Step 5: Solve for x
    x = 7,462,709,878.08/97,759.28
  6. Step 6: Final answer
    x = 76,337.61

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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.