Home / 91,229.61-125,890.59-50,391.93

Finding the Fourth Proportional to 91,229.61, 125,890.59 and 50,391.93

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Solution

The fourth proportional to 91,229.61, 125,890.59 and 50,391.93 is: 69,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,229.61 : 125,890.59 = 50,391.93 : x
  2. Step 2: Convert to fraction form
    91,229.61/125,890.59 = 50,391.93/x
  3. Step 3: Cross multiply
    91,229.61x = 125,890.59 × 50,391.93
  4. Step 4: Simplify right side
    91,229.61x = 6,343,869,798.94
  5. Step 5: Solve for x
    x = 6,343,869,798.94/91,229.61
  6. Step 6: Final answer
    x = 69,537.40

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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.