Home / 57,258.69-85,890.73-47,244.86

Finding the Fourth Proportional to 57,258.69, 85,890.73 and 47,244.86

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Solution

The fourth proportional to 57,258.69, 85,890.73 and 47,244.86 is: 70,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,258.69 : 85,890.73 = 47,244.86 : x
  2. Step 2: Convert to fraction form
    57,258.69/85,890.73 = 47,244.86/x
  3. Step 3: Cross multiply
    57,258.69x = 85,890.73 × 47,244.86
  4. Step 4: Simplify right side
    57,258.69x = 4,057,895,514.15
  5. Step 5: Solve for x
    x = 4,057,895,514.15/57,258.69
  6. Step 6: Final answer
    x = 70,869.51

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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.