Home / 74,035.64-102,171.60-40,501.64

Finding the Fourth Proportional to 74,035.64, 102,171.60 and 40,501.64

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Solution

The fourth proportional to 74,035.64, 102,171.60 and 40,501.64 is: 55,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.64 : 102,171.60 = 40,501.64 : x
  2. Step 2: Convert to fraction form
    74,035.64/102,171.60 = 40,501.64/x
  3. Step 3: Cross multiply
    74,035.64x = 102,171.60 × 40,501.64
  4. Step 4: Simplify right side
    74,035.64x = 4,138,117,361.42
  5. Step 5: Solve for x
    x = 4,138,117,361.42/74,035.64
  6. Step 6: Final answer
    x = 55,893.59

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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.