Home / 74,077.77-102,227.60-40,086.26

Finding the Fourth Proportional to 74,077.77, 102,227.60 and 40,086.26

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Solution

The fourth proportional to 74,077.77, 102,227.60 and 40,086.26 is: 55,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.77 : 102,227.60 = 40,086.26 : x
  2. Step 2: Convert to fraction form
    74,077.77/102,227.60 = 40,086.26/x
  3. Step 3: Cross multiply
    74,077.77x = 102,227.60 × 40,086.26
  4. Step 4: Simplify right side
    74,077.77x = 4,097,922,152.78
  5. Step 5: Solve for x
    x = 4,097,922,152.78/74,077.77
  6. Step 6: Final answer
    x = 55,319.19

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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.