Home / 77,835.21-107,415.23-46,031.37

Finding the Fourth Proportional to 77,835.21, 107,415.23 and 46,031.37

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Solution

The fourth proportional to 77,835.21, 107,415.23 and 46,031.37 is: 63,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,835.21 : 107,415.23 = 46,031.37 : x
  2. Step 2: Convert to fraction form
    77,835.21/107,415.23 = 46,031.37/x
  3. Step 3: Cross multiply
    77,835.21x = 107,415.23 × 46,031.37
  4. Step 4: Simplify right side
    77,835.21x = 4,944,469,965.61
  5. Step 5: Solve for x
    x = 4,944,469,965.61/77,835.21
  6. Step 6: Final answer
    x = 63,524.85

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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.