Home / 103,429.14-155,105.38-36,851.60

Finding the Fourth Proportional to 103,429.14, 155,105.38 and 36,851.60

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Solution

The fourth proportional to 103,429.14, 155,105.38 and 36,851.60 is: 55,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,429.14 : 155,105.38 = 36,851.60 : x
  2. Step 2: Convert to fraction form
    103,429.14/155,105.38 = 36,851.60/x
  3. Step 3: Cross multiply
    103,429.14x = 155,105.38 × 36,851.60
  4. Step 4: Simplify right side
    103,429.14x = 5,715,881,421.61
  5. Step 5: Solve for x
    x = 5,715,881,421.61/103,429.14
  6. Step 6: Final answer
    x = 55,263.74

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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.