Home / 84,382.33-116,392.75-54,119.72

Finding the Fourth Proportional to 84,382.33, 116,392.75 and 54,119.72

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Solution

The fourth proportional to 84,382.33, 116,392.75 and 54,119.72 is: 74,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,382.33 : 116,392.75 = 54,119.72 : x
  2. Step 2: Convert to fraction form
    84,382.33/116,392.75 = 54,119.72/x
  3. Step 3: Cross multiply
    84,382.33x = 116,392.75 × 54,119.72
  4. Step 4: Simplify right side
    84,382.33x = 6,299,142,322.77
  5. Step 5: Solve for x
    x = 6,299,142,322.77/84,382.33
  6. Step 6: Final answer
    x = 74,650.02

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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.