Home / 84,403.77-116,422.26-54,141.16

Finding the Fourth Proportional to 84,403.77, 116,422.26 and 54,141.16

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Solution

The fourth proportional to 84,403.77, 116,422.26 and 54,141.16 is: 74,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,403.77 : 116,422.26 = 54,141.16 : x
  2. Step 2: Convert to fraction form
    84,403.77/116,422.26 = 54,141.16/x
  3. Step 3: Cross multiply
    84,403.77x = 116,422.26 × 54,141.16
  4. Step 4: Simplify right side
    84,403.77x = 6,303,236,234.97
  5. Step 5: Solve for x
    x = 6,303,236,234.97/84,403.77
  6. Step 6: Final answer
    x = 74,679.56

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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.