Home / 77,314.11-115,825.67-60,623.46

Finding the Fourth Proportional to 77,314.11, 115,825.67 and 60,623.46

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Solution

The fourth proportional to 77,314.11, 115,825.67 and 60,623.46 is: 90,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,314.11 : 115,825.67 = 60,623.46 : x
  2. Step 2: Convert to fraction form
    77,314.11/115,825.67 = 60,623.46/x
  3. Step 3: Cross multiply
    77,314.11x = 115,825.67 × 60,623.46
  4. Step 4: Simplify right side
    77,314.11x = 7,021,752,703.10
  5. Step 5: Solve for x
    x = 7,021,752,703.10/77,314.11
  6. Step 6: Final answer
    x = 90,821.10

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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.