Home / 84,494.97-116,478.86-64,316.70

Finding the Fourth Proportional to 84,494.97, 116,478.86 and 64,316.70

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Solution

The fourth proportional to 84,494.97, 116,478.86 and 64,316.70 is: 88,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,494.97 : 116,478.86 = 64,316.70 : x
  2. Step 2: Convert to fraction form
    84,494.97/116,478.86 = 64,316.70/x
  3. Step 3: Cross multiply
    84,494.97x = 116,478.86 × 64,316.70
  4. Step 4: Simplify right side
    84,494.97x = 7,491,535,573.38
  5. Step 5: Solve for x
    x = 7,491,535,573.38/84,494.97
  6. Step 6: Final answer
    x = 88,662.50

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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.