Home / 91,828.30-137,795.63-38,515.53

Finding the Fourth Proportional to 91,828.30, 137,795.63 and 38,515.53

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Solution

The fourth proportional to 91,828.30, 137,795.63 and 38,515.53 is: 57,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,828.30 : 137,795.63 = 38,515.53 : x
  2. Step 2: Convert to fraction form
    91,828.30/137,795.63 = 38,515.53/x
  3. Step 3: Cross multiply
    91,828.30x = 137,795.63 × 38,515.53
  4. Step 4: Simplify right side
    91,828.30x = 5,307,272,261.94
  5. Step 5: Solve for x
    x = 5,307,272,261.94/91,828.30
  6. Step 6: Final answer
    x = 57,795.61

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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.