Home / 77,732.06-116,660.90-40,302.83

Finding the Fourth Proportional to 77,732.06, 116,660.90 and 40,302.83

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Solution

The fourth proportional to 77,732.06, 116,660.90 and 40,302.83 is: 60,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,732.06 : 116,660.90 = 40,302.83 : x
  2. Step 2: Convert to fraction form
    77,732.06/116,660.90 = 40,302.83/x
  3. Step 3: Cross multiply
    77,732.06x = 116,660.90 × 40,302.83
  4. Step 4: Simplify right side
    77,732.06x = 4,701,764,812.76
  5. Step 5: Solve for x
    x = 4,701,764,812.76/77,732.06
  6. Step 6: Final answer
    x = 60,486.82

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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.