Home / 84,610.76-116,709.88-54,435.36

Finding the Fourth Proportional to 84,610.76, 116,709.88 and 54,435.36

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Solution

The fourth proportional to 84,610.76, 116,709.88 and 54,435.36 is: 75,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,610.76 : 116,709.88 = 54,435.36 : x
  2. Step 2: Convert to fraction form
    84,610.76/116,709.88 = 54,435.36/x
  3. Step 3: Cross multiply
    84,610.76x = 116,709.88 × 54,435.36
  4. Step 4: Simplify right side
    84,610.76x = 6,353,144,333.36
  5. Step 5: Solve for x
    x = 6,353,144,333.36/84,610.76
  6. Step 6: Final answer
    x = 75,086.72

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1.5x scale

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.