Home / 84,789.94-116,986.12-54,592.74

Finding the Fourth Proportional to 84,789.94, 116,986.12 and 54,592.74

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Solution

The fourth proportional to 84,789.94, 116,986.12 and 54,592.74 is: 75,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,789.94 : 116,986.12 = 54,592.74 : x
  2. Step 2: Convert to fraction form
    84,789.94/116,986.12 = 54,592.74/x
  3. Step 3: Cross multiply
    84,789.94x = 116,986.12 × 54,592.74
  4. Step 4: Simplify right side
    84,789.94x = 6,386,592,832.77
  5. Step 5: Solve for x
    x = 6,386,592,832.77/84,789.94
  6. Step 6: Final answer
    x = 75,322.53

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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.