Home / 84,279.80-116,328.48-48,473.84

Finding the Fourth Proportional to 84,279.80, 116,328.48 and 48,473.84

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Solution

The fourth proportional to 84,279.80, 116,328.48 and 48,473.84 is: 66,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.80 : 116,328.48 = 48,473.84 : x
  2. Step 2: Convert to fraction form
    84,279.80/116,328.48 = 48,473.84/x
  3. Step 3: Cross multiply
    84,279.80x = 116,328.48 × 48,473.84
  4. Step 4: Simplify right side
    84,279.80x = 5,638,888,126.96
  5. Step 5: Solve for x
    x = 5,638,888,126.96/84,279.80
  6. Step 6: Final answer
    x = 66,906.76

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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.