Home / 84,779.87-116,982.63-48,963.29

Finding the Fourth Proportional to 84,779.87, 116,982.63 and 48,963.29

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Solution

The fourth proportional to 84,779.87, 116,982.63 and 48,963.29 is: 67,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,779.87 : 116,982.63 = 48,963.29 : x
  2. Step 2: Convert to fraction form
    84,779.87/116,982.63 = 48,963.29/x
  3. Step 3: Cross multiply
    84,779.87x = 116,982.63 × 48,963.29
  4. Step 4: Simplify right side
    84,779.87x = 5,727,853,852.74
  5. Step 5: Solve for x
    x = 5,727,853,852.74/84,779.87
  6. Step 6: Final answer
    x = 67,561.49

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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.