Home / 77,245.92-106,613.19-56,086.74

Finding the Fourth Proportional to 77,245.92, 106,613.19 and 56,086.74

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Solution

The fourth proportional to 77,245.92, 106,613.19 and 56,086.74 is: 77,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,245.92 : 106,613.19 = 56,086.74 : x
  2. Step 2: Convert to fraction form
    77,245.92/106,613.19 = 56,086.74/x
  3. Step 3: Cross multiply
    77,245.92x = 106,613.19 × 56,086.74
  4. Step 4: Simplify right side
    77,245.92x = 5,979,586,268.10
  5. Step 5: Solve for x
    x = 5,979,586,268.10/77,245.92
  6. Step 6: Final answer
    x = 77,409.74

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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.