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Finding the Fourth Proportional to 62,124.30, 85,739.40 and 35,275.59

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Solution

The fourth proportional to 62,124.30, 85,739.40 and 35,275.59 is: 48,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,124.30 : 85,739.40 = 35,275.59 : x
  2. Step 2: Convert to fraction form
    62,124.30/85,739.40 = 35,275.59/x
  3. Step 3: Cross multiply
    62,124.30x = 85,739.40 × 35,275.59
  4. Step 4: Simplify right side
    62,124.30x = 3,024,507,921.25
  5. Step 5: Solve for x
    x = 3,024,507,921.25/62,124.30
  6. Step 6: Final answer
    x = 48,684.78

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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.