Home / 77,319.72-115,782.66-50,944.52

Finding the Fourth Proportional to 77,319.72, 115,782.66 and 50,944.52

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Solution

The fourth proportional to 77,319.72, 115,782.66 and 50,944.52 is: 76,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.72 : 115,782.66 = 50,944.52 : x
  2. Step 2: Convert to fraction form
    77,319.72/115,782.66 = 50,944.52/x
  3. Step 3: Cross multiply
    77,319.72x = 115,782.66 × 50,944.52
  4. Step 4: Simplify right side
    77,319.72x = 5,898,492,038.02
  5. Step 5: Solve for x
    x = 5,898,492,038.02/77,319.72
  6. Step 6: Final answer
    x = 76,287.03

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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.