Home / 77,200.44-115,647.06-37,642.04

Finding the Fourth Proportional to 77,200.44, 115,647.06 and 37,642.04

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Solution

The fourth proportional to 77,200.44, 115,647.06 and 37,642.04 is: 56,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,200.44 : 115,647.06 = 37,642.04 : x
  2. Step 2: Convert to fraction form
    77,200.44/115,647.06 = 37,642.04/x
  3. Step 3: Cross multiply
    77,200.44x = 115,647.06 × 37,642.04
  4. Step 4: Simplify right side
    77,200.44x = 4,353,191,258.40
  5. Step 5: Solve for x
    x = 4,353,191,258.40/77,200.44
  6. Step 6: Final answer
    x = 56,388.17

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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.