Home / 84,901.92-117,159.66-49,089.39

Finding the Fourth Proportional to 84,901.92, 117,159.66 and 49,089.39

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Solution

The fourth proportional to 84,901.92, 117,159.66 and 49,089.39 is: 67,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,901.92 : 117,159.66 = 49,089.39 : x
  2. Step 2: Convert to fraction form
    84,901.92/117,159.66 = 49,089.39/x
  3. Step 3: Cross multiply
    84,901.92x = 117,159.66 × 49,089.39
  4. Step 4: Simplify right side
    84,901.92x = 5,751,296,242.01
  5. Step 5: Solve for x
    x = 5,751,296,242.01/84,901.92
  6. Step 6: Final answer
    x = 67,740.47

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1.5x scale

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.