Home / 84,002.36-126,003.75-57,627.14

Finding the Fourth Proportional to 84,002.36, 126,003.75 and 57,627.14

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Solution

The fourth proportional to 84,002.36, 126,003.75 and 57,627.14 is: 86,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002.36 : 126,003.75 = 57,627.14 : x
  2. Step 2: Convert to fraction form
    84,002.36/126,003.75 = 57,627.14/x
  3. Step 3: Cross multiply
    84,002.36x = 126,003.75 × 57,627.14
  4. Step 4: Simplify right side
    84,002.36x = 7,261,235,741.78
  5. Step 5: Solve for x
    x = 7,261,235,741.78/84,002.36
  6. Step 6: Final answer
    x = 86,440.85

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1.5x scale

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.