Home / 53,980.22-81,040.52-41,509.01

Finding the Fourth Proportional to 53,980.22, 81,040.52 and 41,509.01

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Solution

The fourth proportional to 53,980.22, 81,040.52 and 41,509.01 is: 62,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.22 : 81,040.52 = 41,509.01 : x
  2. Step 2: Convert to fraction form
    53,980.22/81,040.52 = 41,509.01/x
  3. Step 3: Cross multiply
    53,980.22x = 81,040.52 × 41,509.01
  4. Step 4: Simplify right side
    53,980.22x = 3,363,912,061.46
  5. Step 5: Solve for x
    x = 3,363,912,061.46/53,980.22
  6. Step 6: Final answer
    x = 62,317.49

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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.