Home / 103,989.07-155,995.89-36,500.41

Finding the Fourth Proportional to 103,989.07, 155,995.89 and 36,500.41

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Solution

The fourth proportional to 103,989.07, 155,995.89 and 36,500.41 is: 54,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,989.07 : 155,995.89 = 36,500.41 : x
  2. Step 2: Convert to fraction form
    103,989.07/155,995.89 = 36,500.41/x
  3. Step 3: Cross multiply
    103,989.07x = 155,995.89 × 36,500.41
  4. Step 4: Simplify right side
    103,989.07x = 5,693,913,943.31
  5. Step 5: Solve for x
    x = 5,693,913,943.31/103,989.07
  6. Step 6: Final answer
    x = 54,754.93

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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.