Home / 77,620.94-116,476.59-32,639.05

Finding the Fourth Proportional to 77,620.94, 116,476.59 and 32,639.05

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Solution

The fourth proportional to 77,620.94, 116,476.59 and 32,639.05 is: 48,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,620.94 : 116,476.59 = 32,639.05 : x
  2. Step 2: Convert to fraction form
    77,620.94/116,476.59 = 32,639.05/x
  3. Step 3: Cross multiply
    77,620.94x = 116,476.59 × 32,639.05
  4. Step 4: Simplify right side
    77,620.94x = 3,801,684,662.46
  5. Step 5: Solve for x
    x = 3,801,684,662.46/77,620.94
  6. Step 6: Final answer
    x = 48,977.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.