Home / 103,613.30-155,441.55-59,203.70

Finding the Fourth Proportional to 103,613.30, 155,441.55 and 59,203.70

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Solution

The fourth proportional to 103,613.30, 155,441.55 and 59,203.70 is: 88,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613.30 : 155,441.55 = 59,203.70 : x
  2. Step 2: Convert to fraction form
    103,613.30/155,441.55 = 59,203.70/x
  3. Step 3: Cross multiply
    103,613.30x = 155,441.55 × 59,203.70
  4. Step 4: Simplify right side
    103,613.30x = 9,202,714,893.74
  5. Step 5: Solve for x
    x = 9,202,714,893.74/103,613.30
  6. Step 6: Final answer
    x = 88,817.89

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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.