Home / 84,352.22-116,326.50-54,146.78

Finding the Fourth Proportional to 84,352.22, 116,326.50 and 54,146.78

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Solution

The fourth proportional to 84,352.22, 116,326.50 and 54,146.78 is: 74,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,352.22 : 116,326.50 = 54,146.78 : x
  2. Step 2: Convert to fraction form
    84,352.22/116,326.50 = 54,146.78/x
  3. Step 3: Cross multiply
    84,352.22x = 116,326.50 × 54,146.78
  4. Step 4: Simplify right side
    84,352.22x = 6,298,705,403.67
  5. Step 5: Solve for x
    x = 6,298,705,403.67/84,352.22
  6. Step 6: Final answer
    x = 74,671.48

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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.