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Finding the Fourth Proportional to 57,094.32, 85,739.48 and 35,037.20

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Solution

The fourth proportional to 57,094.32, 85,739.48 and 35,037.20 is: 52,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094.32 : 85,739.48 = 35,037.20 : x
  2. Step 2: Convert to fraction form
    57,094.32/85,739.48 = 35,037.20/x
  3. Step 3: Cross multiply
    57,094.32x = 85,739.48 × 35,037.20
  4. Step 4: Simplify right side
    57,094.32x = 3,004,071,308.66
  5. Step 5: Solve for x
    x = 3,004,071,308.66/57,094.32
  6. Step 6: Final answer
    x = 52,615.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.