Home / 74,080.76-102,230.67-40,088.51

Finding the Fourth Proportional to 74,080.76, 102,230.67 and 40,088.51

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Solution

The fourth proportional to 74,080.76, 102,230.67 and 40,088.51 is: 55,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,080.76 : 102,230.67 = 40,088.51 : x
  2. Step 2: Convert to fraction form
    74,080.76/102,230.67 = 40,088.51/x
  3. Step 3: Cross multiply
    74,080.76x = 102,230.67 × 40,088.51
  4. Step 4: Simplify right side
    74,080.76x = 4,098,274,725.45
  5. Step 5: Solve for x
    x = 4,098,274,725.45/74,080.76
  6. Step 6: Final answer
    x = 55,321.71

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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.