Home / 71,935.00-99,268.13-39,669.61

Finding the Fourth Proportional to 71,935.00, 99,268.13 and 39,669.61

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Solution

The fourth proportional to 71,935.00, 99,268.13 and 39,669.61 is: 54,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.00 : 99,268.13 = 39,669.61 : x
  2. Step 2: Convert to fraction form
    71,935.00/99,268.13 = 39,669.61/x
  3. Step 3: Cross multiply
    71,935.00x = 99,268.13 × 39,669.61
  4. Step 4: Simplify right side
    71,935.00x = 3,937,927,580.57
  5. Step 5: Solve for x
    x = 3,937,927,580.57/71,935.00
  6. Step 6: Final answer
    x = 54,742.86

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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.