Home / 69,510.42-104,249.64-41,438.40

Finding the Fourth Proportional to 69,510.42, 104,249.64 and 41,438.40

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Solution

The fourth proportional to 69,510.42, 104,249.64 and 41,438.40 is: 62,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,510.42 : 104,249.64 = 41,438.40 : x
  2. Step 2: Convert to fraction form
    69,510.42/104,249.64 = 41,438.40/x
  3. Step 3: Cross multiply
    69,510.42x = 104,249.64 × 41,438.40
  4. Step 4: Simplify right side
    69,510.42x = 4,319,938,282.18
  5. Step 5: Solve for x
    x = 4,319,938,282.18/69,510.42
  6. Step 6: Final answer
    x = 62,148.07

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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.