Home / 84,876.69-117,077.93-50,398.05

Finding the Fourth Proportional to 84,876.69, 117,077.93 and 50,398.05

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Solution

The fourth proportional to 84,876.69, 117,077.93 and 50,398.05 is: 69,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876.69 : 117,077.93 = 50,398.05 : x
  2. Step 2: Convert to fraction form
    84,876.69/117,077.93 = 50,398.05/x
  3. Step 3: Cross multiply
    84,876.69x = 117,077.93 × 50,398.05
  4. Step 4: Simplify right side
    84,876.69x = 5,900,498,532.66
  5. Step 5: Solve for x
    x = 5,900,498,532.66/84,876.69
  6. Step 6: Final answer
    x = 69,518.48

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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.