Home / 103,837.20-155,828.70-44,715.30

Finding the Fourth Proportional to 103,837.20, 155,828.70 and 44,715.30

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Solution

The fourth proportional to 103,837.20, 155,828.70 and 44,715.30 is: 67,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.20 : 155,828.70 = 44,715.30 : x
  2. Step 2: Convert to fraction form
    103,837.20/155,828.70 = 44,715.30/x
  3. Step 3: Cross multiply
    103,837.20x = 155,828.70 × 44,715.30
  4. Step 4: Simplify right side
    103,837.20x = 6,967,927,069.11
  5. Step 5: Solve for x
    x = 6,967,927,069.11/103,837.20
  6. Step 6: Final answer
    x = 67,104.34

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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.