Home / 66,957.12-100,277.28-58,144.16

Finding the Fourth Proportional to 66,957.12, 100,277.28 and 58,144.16

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Solution

The fourth proportional to 66,957.12, 100,277.28 and 58,144.16 is: 87,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.12 : 100,277.28 = 58,144.16 : x
  2. Step 2: Convert to fraction form
    66,957.12/100,277.28 = 58,144.16/x
  3. Step 3: Cross multiply
    66,957.12x = 100,277.28 × 58,144.16
  4. Step 4: Simplify right side
    66,957.12x = 5,830,538,212.68
  5. Step 5: Solve for x
    x = 5,830,538,212.68/66,957.12
  6. Step 6: Final answer
    x = 87,078.69

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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.