Home / 74,089.56-102,243.72-40,098.08

Finding the Fourth Proportional to 74,089.56, 102,243.72 and 40,098.08

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Solution

The fourth proportional to 74,089.56, 102,243.72 and 40,098.08 is: 55,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,089.56 : 102,243.72 = 40,098.08 : x
  2. Step 2: Convert to fraction form
    74,089.56/102,243.72 = 40,098.08/x
  3. Step 3: Cross multiply
    74,089.56x = 102,243.72 × 40,098.08
  4. Step 4: Simplify right side
    74,089.56x = 4,099,776,969.30
  5. Step 5: Solve for x
    x = 4,099,776,969.30/74,089.56
  6. Step 6: Final answer
    x = 55,335.42

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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.