Home / 56,869.14-85,258.76-28,391.49

Finding the Fourth Proportional to 56,869.14, 85,258.76 and 28,391.49

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Solution

The fourth proportional to 56,869.14, 85,258.76 and 28,391.49 is: 42,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869.14 : 85,258.76 = 28,391.49 : x
  2. Step 2: Convert to fraction form
    56,869.14/85,258.76 = 28,391.49/x
  3. Step 3: Cross multiply
    56,869.14x = 85,258.76 × 28,391.49
  4. Step 4: Simplify right side
    56,869.14x = 2,420,623,089.99
  5. Step 5: Solve for x
    x = 2,420,623,089.99/56,869.14
  6. Step 6: Final answer
    x = 42,564.79

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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.