Home / 77,054.22-106,319.79-43,513.74

Finding the Fourth Proportional to 77,054.22, 106,319.79 and 43,513.74

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Solution

The fourth proportional to 77,054.22, 106,319.79 and 43,513.74 is: 60,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,054.22 : 106,319.79 = 43,513.74 : x
  2. Step 2: Convert to fraction form
    77,054.22/106,319.79 = 43,513.74/x
  3. Step 3: Cross multiply
    77,054.22x = 106,319.79 × 43,513.74
  4. Step 4: Simplify right side
    77,054.22x = 4,626,371,698.91
  5. Step 5: Solve for x
    x = 4,626,371,698.91/77,054.22
  6. Step 6: Final answer
    x = 60,040.47

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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.