Home / 77,987.69-107,636.26-44,005.82

Finding the Fourth Proportional to 77,987.69, 107,636.26 and 44,005.82

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Solution

The fourth proportional to 77,987.69, 107,636.26 and 44,005.82 is: 60,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,987.69 : 107,636.26 = 44,005.82 : x
  2. Step 2: Convert to fraction form
    77,987.69/107,636.26 = 44,005.82/x
  3. Step 3: Cross multiply
    77,987.69x = 107,636.26 × 44,005.82
  4. Step 4: Simplify right side
    77,987.69x = 4,736,621,317.35
  5. Step 5: Solve for x
    x = 4,736,621,317.35/77,987.69
  6. Step 6: Final answer
    x = 60,735.50

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1.5x scale

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.