Home / 77,319.36-106,662.87-48,674.52

Finding the Fourth Proportional to 77,319.36, 106,662.87 and 48,674.52

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Solution

The fourth proportional to 77,319.36, 106,662.87 and 48,674.52 is: 67,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.36 : 106,662.87 = 48,674.52 : x
  2. Step 2: Convert to fraction form
    77,319.36/106,662.87 = 48,674.52/x
  3. Step 3: Cross multiply
    77,319.36x = 106,662.87 × 48,674.52
  4. Step 4: Simplify right side
    77,319.36x = 5,191,763,999.07
  5. Step 5: Solve for x
    x = 5,191,763,999.07/77,319.36
  6. Step 6: Final answer
    x = 67,147.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.