Home / 93,306.42-128,749.88-55,067.57

Finding the Fourth Proportional to 93,306.42, 128,749.88 and 55,067.57

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Solution

The fourth proportional to 93,306.42, 128,749.88 and 55,067.57 is: 75,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,306.42 : 128,749.88 = 55,067.57 : x
  2. Step 2: Convert to fraction form
    93,306.42/128,749.88 = 55,067.57/x
  3. Step 3: Cross multiply
    93,306.42x = 128,749.88 × 55,067.57
  4. Step 4: Simplify right side
    93,306.42x = 7,089,942,110.30
  5. Step 5: Solve for x
    x = 7,089,942,110.30/93,306.42
  6. Step 6: Final answer
    x = 75,985.58

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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.