Home / 66,443.15-91,713.77-39,594.08

Finding the Fourth Proportional to 66,443.15, 91,713.77 and 39,594.08

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Solution

The fourth proportional to 66,443.15, 91,713.77 and 39,594.08 is: 54,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443.15 : 91,713.77 = 39,594.08 : x
  2. Step 2: Convert to fraction form
    66,443.15/91,713.77 = 39,594.08/x
  3. Step 3: Cross multiply
    66,443.15x = 91,713.77 × 39,594.08
  4. Step 4: Simplify right side
    66,443.15x = 3,631,322,526.27
  5. Step 5: Solve for x
    x = 3,631,322,526.27/66,443.15
  6. Step 6: Final answer
    x = 54,653.07

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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.