Home / 64,582.55-89,121.14-35,902.15

Finding the Fourth Proportional to 64,582.55, 89,121.14 and 35,902.15

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Solution

The fourth proportional to 64,582.55, 89,121.14 and 35,902.15 is: 49,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.55 : 89,121.14 = 35,902.15 : x
  2. Step 2: Convert to fraction form
    64,582.55/89,121.14 = 35,902.15/x
  3. Step 3: Cross multiply
    64,582.55x = 89,121.14 × 35,902.15
  4. Step 4: Simplify right side
    64,582.55x = 3,199,640,134.14
  5. Step 5: Solve for x
    x = 3,199,640,134.14/64,582.55
  6. Step 6: Final answer
    x = 49,543.41

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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.