Home / 84,788.94-116,984.74-54,591.74

Finding the Fourth Proportional to 84,788.94, 116,984.74 and 54,591.74

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Solution

The fourth proportional to 84,788.94, 116,984.74 and 54,591.74 is: 75,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788.94 : 116,984.74 = 54,591.74 : x
  2. Step 2: Convert to fraction form
    84,788.94/116,984.74 = 54,591.74/x
  3. Step 3: Cross multiply
    84,788.94x = 116,984.74 × 54,591.74
  4. Step 4: Simplify right side
    84,788.94x = 6,386,400,510.05
  5. Step 5: Solve for x
    x = 6,386,400,510.05/84,788.94
  6. Step 6: Final answer
    x = 75,321.15

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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.