Home / 92,847.29-128,129.22-50,405.81

Finding the Fourth Proportional to 92,847.29, 128,129.22 and 50,405.81

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Solution

The fourth proportional to 92,847.29, 128,129.22 and 50,405.81 is: 69,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,847.29 : 128,129.22 = 50,405.81 : x
  2. Step 2: Convert to fraction form
    92,847.29/128,129.22 = 50,405.81/x
  3. Step 3: Cross multiply
    92,847.29x = 128,129.22 × 50,405.81
  4. Step 4: Simplify right side
    92,847.29x = 6,458,456,478.12
  5. Step 5: Solve for x
    x = 6,458,456,478.12/92,847.29
  6. Step 6: Final answer
    x = 69,559.99

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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.