Home / 84,853.25-117,088.70-49,054.76

Finding the Fourth Proportional to 84,853.25, 117,088.70 and 49,054.76

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Solution

The fourth proportional to 84,853.25, 117,088.70 and 49,054.76 is: 67,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,853.25 : 117,088.70 = 49,054.76 : x
  2. Step 2: Convert to fraction form
    84,853.25/117,088.70 = 49,054.76/x
  3. Step 3: Cross multiply
    84,853.25x = 117,088.70 × 49,054.76
  4. Step 4: Simplify right side
    84,853.25x = 5,743,757,246.49
  5. Step 5: Solve for x
    x = 5,743,757,246.49/84,853.25
  6. Step 6: Final answer
    x = 67,690.48

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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.