Home / 91,828.60-137,678.10-41,932.60

Finding the Fourth Proportional to 91,828.60, 137,678.10 and 41,932.60

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Solution

The fourth proportional to 91,828.60, 137,678.10 and 41,932.60 is: 62,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,828.60 : 137,678.10 = 41,932.60 : x
  2. Step 2: Convert to fraction form
    91,828.60/137,678.10 = 41,932.60/x
  3. Step 3: Cross multiply
    91,828.60x = 137,678.10 × 41,932.60
  4. Step 4: Simplify right side
    91,828.60x = 5,773,200,696.06
  5. Step 5: Solve for x
    x = 5,773,200,696.06/91,828.60
  6. Step 6: Final answer
    x = 62,869.31

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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.