Home / 74,090.79-102,244.50-40,098.57

Finding the Fourth Proportional to 74,090.79, 102,244.50 and 40,098.57

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Solution

The fourth proportional to 74,090.79, 102,244.50 and 40,098.57 is: 55,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.79 : 102,244.50 = 40,098.57 : x
  2. Step 2: Convert to fraction form
    74,090.79/102,244.50 = 40,098.57/x
  3. Step 3: Cross multiply
    74,090.79x = 102,244.50 × 40,098.57
  4. Step 4: Simplify right side
    74,090.79x = 4,099,858,240.37
  5. Step 5: Solve for x
    x = 4,099,858,240.37/74,090.79
  6. Step 6: Final answer
    x = 55,335.60

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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.