Home / 55,352.48-83,019.78-15,900.62

Finding the Fourth Proportional to 55,352.48, 83,019.78 and 15,900.62

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Solution

The fourth proportional to 55,352.48, 83,019.78 and 15,900.62 is: 23,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,352.48 : 83,019.78 = 15,900.62 : x
  2. Step 2: Convert to fraction form
    55,352.48/83,019.78 = 15,900.62/x
  3. Step 3: Cross multiply
    55,352.48x = 83,019.78 × 15,900.62
  4. Step 4: Simplify right side
    55,352.48x = 1,320,065,559.16
  5. Step 5: Solve for x
    x = 1,320,065,559.16/55,352.48
  6. Step 6: Final answer
    x = 23,848.36

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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.