Home / 69,122.74-103,603.18-26,400.18

Finding the Fourth Proportional to 69,122.74, 103,603.18 and 26,400.18

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Solution

The fourth proportional to 69,122.74, 103,603.18 and 26,400.18 is: 39,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,122.74 : 103,603.18 = 26,400.18 : x
  2. Step 2: Convert to fraction form
    69,122.74/103,603.18 = 26,400.18/x
  3. Step 3: Cross multiply
    69,122.74x = 103,603.18 × 26,400.18
  4. Step 4: Simplify right side
    69,122.74x = 2,735,142,600.57
  5. Step 5: Solve for x
    x = 2,735,142,600.57/69,122.74
  6. Step 6: Final answer
    x = 39,569.36

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1.5x scale

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.