Home / 77,799.86-107,365.94-47,584.64

Finding the Fourth Proportional to 77,799.86, 107,365.94 and 47,584.64

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Solution

The fourth proportional to 77,799.86, 107,365.94 and 47,584.64 is: 65,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799.86 : 107,365.94 = 47,584.64 : x
  2. Step 2: Convert to fraction form
    77,799.86/107,365.94 = 47,584.64/x
  3. Step 3: Cross multiply
    77,799.86x = 107,365.94 × 47,584.64
  4. Step 4: Simplify right side
    77,799.86x = 5,108,968,828.41
  5. Step 5: Solve for x
    x = 5,108,968,828.41/77,799.86
  6. Step 6: Final answer
    x = 65,668.10

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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.