Home / 77,811.06-107,370.45-43,816.98

Finding the Fourth Proportional to 77,811.06, 107,370.45 and 43,816.98

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Solution

The fourth proportional to 77,811.06, 107,370.45 and 43,816.98 is: 60,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,811.06 : 107,370.45 = 43,816.98 : x
  2. Step 2: Convert to fraction form
    77,811.06/107,370.45 = 43,816.98/x
  3. Step 3: Cross multiply
    77,811.06x = 107,370.45 × 43,816.98
  4. Step 4: Simplify right side
    77,811.06x = 4,704,648,860.24
  5. Step 5: Solve for x
    x = 4,704,648,860.24/77,811.06
  6. Step 6: Final answer
    x = 60,462.47

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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.