Home / 92,479.16-138,660.42-50,955.32

Finding the Fourth Proportional to 92,479.16, 138,660.42 and 50,955.32

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Solution

The fourth proportional to 92,479.16, 138,660.42 and 50,955.32 is: 76,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,479.16 : 138,660.42 = 50,955.32 : x
  2. Step 2: Convert to fraction form
    92,479.16/138,660.42 = 50,955.32/x
  3. Step 3: Cross multiply
    92,479.16x = 138,660.42 × 50,955.32
  4. Step 4: Simplify right side
    92,479.16x = 7,065,486,072.43
  5. Step 5: Solve for x
    x = 7,065,486,072.43/92,479.16
  6. Step 6: Final answer
    x = 76,400.85

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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.