Home / 77,802.12-107,365.88-43,813.94

Finding the Fourth Proportional to 77,802.12, 107,365.88 and 43,813.94

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Solution

The fourth proportional to 77,802.12, 107,365.88 and 43,813.94 is: 60,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,802.12 : 107,365.88 = 43,813.94 : x
  2. Step 2: Convert to fraction form
    77,802.12/107,365.88 = 43,813.94/x
  3. Step 3: Cross multiply
    77,802.12x = 107,365.88 × 43,813.94
  4. Step 4: Simplify right side
    77,802.12x = 4,704,122,224.37
  5. Step 5: Solve for x
    x = 4,704,122,224.37/77,802.12
  6. Step 6: Final answer
    x = 60,462.65

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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.