Home / 69,015.29-103,481.12-45,017.52

Finding the Fourth Proportional to 69,015.29, 103,481.12 and 45,017.52

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Solution

The fourth proportional to 69,015.29, 103,481.12 and 45,017.52 is: 67,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,015.29 : 103,481.12 = 45,017.52 : x
  2. Step 2: Convert to fraction form
    69,015.29/103,481.12 = 45,017.52/x
  3. Step 3: Cross multiply
    69,015.29x = 103,481.12 × 45,017.52
  4. Step 4: Simplify right side
    69,015.29x = 4,658,463,501.77
  5. Step 5: Solve for x
    x = 4,658,463,501.77/69,015.29
  6. Step 6: Final answer
    x = 67,499.00

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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.