Home / 76,152.62-113,683.84-66,190.82

Finding the Fourth Proportional to 76,152.62, 113,683.84 and 66,190.82

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Solution

The fourth proportional to 76,152.62, 113,683.84 and 66,190.82 is: 98,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,152.62 : 113,683.84 = 66,190.82 : x
  2. Step 2: Convert to fraction form
    76,152.62/113,683.84 = 66,190.82/x
  3. Step 3: Cross multiply
    76,152.62x = 113,683.84 × 66,190.82
  4. Step 4: Simplify right side
    76,152.62x = 7,524,826,590.35
  5. Step 5: Solve for x
    x = 7,524,826,590.35/76,152.62
  6. Step 6: Final answer
    x = 98,812.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.