Home / 84,382.83-116,393.44-54,120.22

Finding the Fourth Proportional to 84,382.83, 116,393.44 and 54,120.22

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Solution

The fourth proportional to 84,382.83, 116,393.44 and 54,120.22 is: 74,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,382.83 : 116,393.44 = 54,120.22 : x
  2. Step 2: Convert to fraction form
    84,382.83/116,393.44 = 54,120.22/x
  3. Step 3: Cross multiply
    84,382.83x = 116,393.44 × 54,120.22
  4. Step 4: Simplify right side
    84,382.83x = 6,299,237,726.79
  5. Step 5: Solve for x
    x = 6,299,237,726.79/84,382.83
  6. Step 6: Final answer
    x = 74,650.70

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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.