Home / 84,685.02-116,865.87-48,876.54

Finding the Fourth Proportional to 84,685.02, 116,865.87 and 48,876.54

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Solution

The fourth proportional to 84,685.02, 116,865.87 and 48,876.54 is: 67,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.02 : 116,865.87 = 48,876.54 : x
  2. Step 2: Convert to fraction form
    84,685.02/116,865.87 = 48,876.54/x
  3. Step 3: Cross multiply
    84,685.02x = 116,865.87 × 48,876.54
  4. Step 4: Simplify right side
    84,685.02x = 5,711,999,369.69
  5. Step 5: Solve for x
    x = 5,711,999,369.69/84,685.02
  6. Step 6: Final answer
    x = 67,449.94

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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.