Home / 57,226.36-78,929.06-50,140.52

Finding the Fourth Proportional to 57,226.36, 78,929.06 and 50,140.52

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Solution

The fourth proportional to 57,226.36, 78,929.06 and 50,140.52 is: 69,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.36 : 78,929.06 = 50,140.52 : x
  2. Step 2: Convert to fraction form
    57,226.36/78,929.06 = 50,140.52/x
  3. Step 3: Cross multiply
    57,226.36x = 78,929.06 × 50,140.52
  4. Step 4: Simplify right side
    57,226.36x = 3,957,544,111.51
  5. Step 5: Solve for x
    x = 3,957,544,111.51/57,226.36
  6. Step 6: Final answer
    x = 69,155.96

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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.