Home / 112,533.24-155,289.78-62,229

Finding the Fourth Proportional to 112,533.24, 155,289.78 and 62,229

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Solution

The fourth proportional to 112,533.24, 155,289.78 and 62,229 is: 85,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.24 : 155,289.78 = 62,229 : x
  2. Step 2: Convert to fraction form
    112,533.24/155,289.78 = 62,229/x
  3. Step 3: Cross multiply
    112,533.24x = 155,289.78 × 62,229
  4. Step 4: Simplify right side
    112,533.24x = 9,663,527,719.62
  5. Step 5: Solve for x
    x = 9,663,527,719.62/112,533.24
  6. Step 6: Final answer
    x = 85,872.65

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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.