Home / 84,002.86-126,004.50-57,627.64

Finding the Fourth Proportional to 84,002.86, 126,004.50 and 57,627.64

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Solution

The fourth proportional to 84,002.86, 126,004.50 and 57,627.64 is: 86,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002.86 : 126,004.50 = 57,627.64 : x
  2. Step 2: Convert to fraction form
    84,002.86/126,004.50 = 57,627.64/x
  3. Step 3: Cross multiply
    84,002.86x = 126,004.50 × 57,627.64
  4. Step 4: Simplify right side
    84,002.86x = 7,261,341,964.38
  5. Step 5: Solve for x
    x = 7,261,341,964.38/84,002.86
  6. Step 6: Final answer
    x = 86,441.60

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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.