Home / 77,759.37-116,701.34-40,330.17

Finding the Fourth Proportional to 77,759.37, 116,701.34 and 40,330.17

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Solution

The fourth proportional to 77,759.37, 116,701.34 and 40,330.17 is: 60,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,759.37 : 116,701.34 = 40,330.17 : x
  2. Step 2: Convert to fraction form
    77,759.37/116,701.34 = 40,330.17/x
  3. Step 3: Cross multiply
    77,759.37x = 116,701.34 × 40,330.17
  4. Step 4: Simplify right side
    77,759.37x = 4,706,584,679.78
  5. Step 5: Solve for x
    x = 4,706,584,679.78/77,759.37
  6. Step 6: Final answer
    x = 60,527.56

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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.