Home / 96,660.78-133,330.50-69,842.67

Finding the Fourth Proportional to 96,660.78, 133,330.50 and 69,842.67

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Solution

The fourth proportional to 96,660.78, 133,330.50 and 69,842.67 is: 96,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,660.78 : 133,330.50 = 69,842.67 : x
  2. Step 2: Convert to fraction form
    96,660.78/133,330.50 = 69,842.67/x
  3. Step 3: Cross multiply
    96,660.78x = 133,330.50 × 69,842.67
  4. Step 4: Simplify right side
    96,660.78x = 9,312,158,112.44
  5. Step 5: Solve for x
    x = 9,312,158,112.44/96,660.78
  6. Step 6: Final answer
    x = 96,338.54

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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.