Home / 103,290.48-155,052.36-41,004.72

Finding the Fourth Proportional to 103,290.48, 155,052.36 and 41,004.72

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Solution

The fourth proportional to 103,290.48, 155,052.36 and 41,004.72 is: 61,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,290.48 : 155,052.36 = 41,004.72 : x
  2. Step 2: Convert to fraction form
    103,290.48/155,052.36 = 41,004.72/x
  3. Step 3: Cross multiply
    103,290.48x = 155,052.36 × 41,004.72
  4. Step 4: Simplify right side
    103,290.48x = 6,357,878,607.14
  5. Step 5: Solve for x
    x = 6,357,878,607.14/103,290.48
  6. Step 6: Final answer
    x = 61,553.38

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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.