Home / 75,859.63-113,846.34-28,521.33

Finding the Fourth Proportional to 75,859.63, 113,846.34 and 28,521.33

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Solution

The fourth proportional to 75,859.63, 113,846.34 and 28,521.33 is: 42,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,859.63 : 113,846.34 = 28,521.33 : x
  2. Step 2: Convert to fraction form
    75,859.63/113,846.34 = 28,521.33/x
  3. Step 3: Cross multiply
    75,859.63x = 113,846.34 × 28,521.33
  4. Step 4: Simplify right side
    75,859.63x = 3,247,048,631.91
  5. Step 5: Solve for x
    x = 3,247,048,631.91/75,859.63
  6. Step 6: Final answer
    x = 42,803.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.