Home / 77,099.13-106,400.87-46,879.45

Finding the Fourth Proportional to 77,099.13, 106,400.87 and 46,879.45

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Solution

The fourth proportional to 77,099.13, 106,400.87 and 46,879.45 is: 64,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,099.13 : 106,400.87 = 46,879.45 : x
  2. Step 2: Convert to fraction form
    77,099.13/106,400.87 = 46,879.45/x
  3. Step 3: Cross multiply
    77,099.13x = 106,400.87 × 46,879.45
  4. Step 4: Simplify right side
    77,099.13x = 4,988,014,265.12
  5. Step 5: Solve for x
    x = 4,988,014,265.12/77,099.13
  6. Step 6: Final answer
    x = 64,696.12

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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.