Home / 78,932.94-118,397.74-25,624.84

Finding the Fourth Proportional to 78,932.94, 118,397.74 and 25,624.84

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Solution

The fourth proportional to 78,932.94, 118,397.74 and 25,624.84 is: 38,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,932.94 : 118,397.74 = 25,624.84 : x
  2. Step 2: Convert to fraction form
    78,932.94/118,397.74 = 25,624.84/x
  3. Step 3: Cross multiply
    78,932.94x = 118,397.74 × 25,624.84
  4. Step 4: Simplify right side
    78,932.94x = 3,033,922,423.75
  5. Step 5: Solve for x
    x = 3,033,922,423.75/78,932.94
  6. Step 6: Final answer
    x = 38,436.71

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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.