Home / 69,220.06-103,830.09-39,617.26

Finding the Fourth Proportional to 69,220.06, 103,830.09 and 39,617.26

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Solution

The fourth proportional to 69,220.06, 103,830.09 and 39,617.26 is: 59,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,220.06 : 103,830.09 = 39,617.26 : x
  2. Step 2: Convert to fraction form
    69,220.06/103,830.09 = 39,617.26/x
  3. Step 3: Cross multiply
    69,220.06x = 103,830.09 × 39,617.26
  4. Step 4: Simplify right side
    69,220.06x = 4,113,463,671.35
  5. Step 5: Solve for x
    x = 4,113,463,671.35/69,220.06
  6. Step 6: Final answer
    x = 59,425.89

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Similar ratio
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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.