Home / 74,686.20-112,062.24-39,617.25

Finding the Fourth Proportional to 74,686.20, 112,062.24 and 39,617.25

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Solution

The fourth proportional to 74,686.20, 112,062.24 and 39,617.25 is: 59,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686.20 : 112,062.24 = 39,617.25 : x
  2. Step 2: Convert to fraction form
    74,686.20/112,062.24 = 39,617.25/x
  3. Step 3: Cross multiply
    74,686.20x = 112,062.24 × 39,617.25
  4. Step 4: Simplify right side
    74,686.20x = 4,439,597,777.64
  5. Step 5: Solve for x
    x = 4,439,597,777.64/74,686.20
  6. Step 6: Final answer
    x = 59,443.35

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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.