Home / 57,014.16-78,701.49-51,035.28

Finding the Fourth Proportional to 57,014.16, 78,701.49 and 51,035.28

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Solution

The fourth proportional to 57,014.16, 78,701.49 and 51,035.28 is: 70,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.16 : 78,701.49 = 51,035.28 : x
  2. Step 2: Convert to fraction form
    57,014.16/78,701.49 = 51,035.28/x
  3. Step 3: Cross multiply
    57,014.16x = 78,701.49 × 51,035.28
  4. Step 4: Simplify right side
    57,014.16x = 4,016,552,578.57
  5. Step 5: Solve for x
    x = 4,016,552,578.57/57,014.16
  6. Step 6: Final answer
    x = 70,448.33

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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.