Home / 91,716.30-137,573.64-29,386.80

Finding the Fourth Proportional to 91,716.30, 137,573.64 and 29,386.80

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Solution

The fourth proportional to 91,716.30, 137,573.64 and 29,386.80 is: 44,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,716.30 : 137,573.64 = 29,386.80 : x
  2. Step 2: Convert to fraction form
    91,716.30/137,573.64 = 29,386.80/x
  3. Step 3: Cross multiply
    91,716.30x = 137,573.64 × 29,386.80
  4. Step 4: Simplify right side
    91,716.30x = 4,042,849,043.95
  5. Step 5: Solve for x
    x = 4,042,849,043.95/91,716.30
  6. Step 6: Final answer
    x = 44,079.94

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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.