Home / 92,823.75-128,099.07-50,382.18

Finding the Fourth Proportional to 92,823.75, 128,099.07 and 50,382.18

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Solution

The fourth proportional to 92,823.75, 128,099.07 and 50,382.18 is: 69,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.75 : 128,099.07 = 50,382.18 : x
  2. Step 2: Convert to fraction form
    92,823.75/128,099.07 = 50,382.18/x
  3. Step 3: Cross multiply
    92,823.75x = 128,099.07 × 50,382.18
  4. Step 4: Simplify right side
    92,823.75x = 6,453,910,402.57
  5. Step 5: Solve for x
    x = 6,453,910,402.57/92,823.75
  6. Step 6: Final answer
    x = 69,528.65

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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.