Home / 103,433.39-155,009.94-53,548.53

Finding the Fourth Proportional to 103,433.39, 155,009.94 and 53,548.53

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Solution

The fourth proportional to 103,433.39, 155,009.94 and 53,548.53 is: 80,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,433.39 : 155,009.94 = 53,548.53 : x
  2. Step 2: Convert to fraction form
    103,433.39/155,009.94 = 53,548.53/x
  3. Step 3: Cross multiply
    103,433.39x = 155,009.94 × 53,548.53
  4. Step 4: Simplify right side
    103,433.39x = 8,300,554,422.39
  5. Step 5: Solve for x
    x = 8,300,554,422.39/103,433.39
  6. Step 6: Final answer
    x = 80,250.24

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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.