Home / 74,059.20-102,204.12-40,525.20

Finding the Fourth Proportional to 74,059.20, 102,204.12 and 40,525.20

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Solution

The fourth proportional to 74,059.20, 102,204.12 and 40,525.20 is: 55,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,059.20 : 102,204.12 = 40,525.20 : x
  2. Step 2: Convert to fraction form
    74,059.20/102,204.12 = 40,525.20/x
  3. Step 3: Cross multiply
    74,059.20x = 102,204.12 × 40,525.20
  4. Step 4: Simplify right side
    74,059.20x = 4,141,842,403.82
  5. Step 5: Solve for x
    x = 4,141,842,403.82/74,059.20
  6. Step 6: Final answer
    x = 55,926.10

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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.