Home / 92,861.24-128,149.18-50,419.80

Finding the Fourth Proportional to 92,861.24, 128,149.18 and 50,419.80

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Solution

The fourth proportional to 92,861.24, 128,149.18 and 50,419.80 is: 69,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,861.24 : 128,149.18 = 50,419.80 : x
  2. Step 2: Convert to fraction form
    92,861.24/128,149.18 = 50,419.80/x
  3. Step 3: Cross multiply
    92,861.24x = 128,149.18 × 50,419.80
  4. Step 4: Simplify right side
    92,861.24x = 6,461,256,025.76
  5. Step 5: Solve for x
    x = 6,461,256,025.76/92,861.24
  6. Step 6: Final answer
    x = 69,579.69

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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.