Home / 103,419.07-155,090.29-36,841.51

Finding the Fourth Proportional to 103,419.07, 155,090.29 and 36,841.51

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Solution

The fourth proportional to 103,419.07, 155,090.29 and 36,841.51 is: 55,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,419.07 : 155,090.29 = 36,841.51 : x
  2. Step 2: Convert to fraction form
    103,419.07/155,090.29 = 36,841.51/x
  3. Step 3: Cross multiply
    103,419.07x = 155,090.29 × 36,841.51
  4. Step 4: Simplify right side
    103,419.07x = 5,713,760,469.94
  5. Step 5: Solve for x
    x = 5,713,760,469.94/103,419.07
  6. Step 6: Final answer
    x = 55,248.62

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1.5x scale

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.