Home / 103,409.04-155,114.16-36,851.73

Finding the Fourth Proportional to 103,409.04, 155,114.16 and 36,851.73

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Solution

The fourth proportional to 103,409.04, 155,114.16 and 36,851.73 is: 55,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,409.04 : 155,114.16 = 36,851.73 : x
  2. Step 2: Convert to fraction form
    103,409.04/155,114.16 = 36,851.73/x
  3. Step 3: Cross multiply
    103,409.04x = 155,114.16 × 36,851.73
  4. Step 4: Simplify right side
    103,409.04x = 5,716,225,143.50
  5. Step 5: Solve for x
    x = 5,716,225,143.50/103,409.04
  6. Step 6: Final answer
    x = 55,277.81

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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.