Home / 53,219.75-73,442.44-29,345.81

Finding the Fourth Proportional to 53,219.75, 73,442.44 and 29,345.81

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Solution

The fourth proportional to 53,219.75, 73,442.44 and 29,345.81 is: 40,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,219.75 : 73,442.44 = 29,345.81 : x
  2. Step 2: Convert to fraction form
    53,219.75/73,442.44 = 29,345.81/x
  3. Step 3: Cross multiply
    53,219.75x = 73,442.44 × 29,345.81
  4. Step 4: Simplify right side
    53,219.75x = 2,155,227,890.18
  5. Step 5: Solve for x
    x = 2,155,227,890.18/53,219.75
  6. Step 6: Final answer
    x = 40,496.77

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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.