Home / 92,850.87-128,135.61-50,409.41

Finding the Fourth Proportional to 92,850.87, 128,135.61 and 50,409.41

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Solution

The fourth proportional to 92,850.87, 128,135.61 and 50,409.41 is: 69,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.87 : 128,135.61 = 50,409.41 : x
  2. Step 2: Convert to fraction form
    92,850.87/128,135.61 = 50,409.41/x
  3. Step 3: Cross multiply
    92,850.87x = 128,135.61 × 50,409.41
  4. Step 4: Simplify right side
    92,850.87x = 6,459,239,859.41
  5. Step 5: Solve for x
    x = 6,459,239,859.41/92,850.87
  6. Step 6: Final answer
    x = 69,565.74

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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.