Home / 96,986.89-133,840.61-54,545.42

Finding the Fourth Proportional to 96,986.89, 133,840.61 and 54,545.42

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Solution

The fourth proportional to 96,986.89, 133,840.61 and 54,545.42 is: 75,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.89 : 133,840.61 = 54,545.42 : x
  2. Step 2: Convert to fraction form
    96,986.89/133,840.61 = 54,545.42/x
  3. Step 3: Cross multiply
    96,986.89x = 133,840.61 × 54,545.42
  4. Step 4: Simplify right side
    96,986.89x = 7,300,391,752.67
  5. Step 5: Solve for x
    x = 7,300,391,752.67/96,986.89
  6. Step 6: Final answer
    x = 75,271.95

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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.