Home / 76,015.50-113,974.95-66,674.27

Finding the Fourth Proportional to 76,015.50, 113,974.95 and 66,674.27

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Solution

The fourth proportional to 76,015.50, 113,974.95 and 66,674.27 is: 99,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.50 : 113,974.95 = 66,674.27 : x
  2. Step 2: Convert to fraction form
    76,015.50/113,974.95 = 66,674.27/x
  3. Step 3: Cross multiply
    76,015.50x = 113,974.95 × 66,674.27
  4. Step 4: Simplify right side
    76,015.50x = 7,599,196,749.46
  5. Step 5: Solve for x
    x = 7,599,196,749.46/76,015.50
  6. Step 6: Final answer
    x = 99,969.05

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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.