Home / 85,277.48-127,861.52-35,392.02

Finding the Fourth Proportional to 85,277.48, 127,861.52 and 35,392.02

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Solution

The fourth proportional to 85,277.48, 127,861.52 and 35,392.02 is: 53,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.48 : 127,861.52 = 35,392.02 : x
  2. Step 2: Convert to fraction form
    85,277.48/127,861.52 = 35,392.02/x
  3. Step 3: Cross multiply
    85,277.48x = 127,861.52 × 35,392.02
  4. Step 4: Simplify right side
    85,277.48x = 4,525,277,473.07
  5. Step 5: Solve for x
    x = 4,525,277,473.07/85,277.48
  6. Step 6: Final answer
    x = 53,065.33

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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.