Home / 92,821.14-128,096.03-54,573.75

Finding the Fourth Proportional to 92,821.14, 128,096.03 and 54,573.75

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Solution

The fourth proportional to 92,821.14, 128,096.03 and 54,573.75 is: 75,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.14 : 128,096.03 = 54,573.75 : x
  2. Step 2: Convert to fraction form
    92,821.14/128,096.03 = 54,573.75/x
  3. Step 3: Cross multiply
    92,821.14x = 128,096.03 × 54,573.75
  4. Step 4: Simplify right side
    92,821.14x = 6,990,680,853.65
  5. Step 5: Solve for x
    x = 6,990,680,853.65/92,821.14
  6. Step 6: Final answer
    x = 75,313.46

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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.