Home / 79,436.63-109,632.27-45,902.63

Finding the Fourth Proportional to 79,436.63, 109,632.27 and 45,902.63

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Solution

The fourth proportional to 79,436.63, 109,632.27 and 45,902.63 is: 63,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.63 : 109,632.27 = 45,902.63 : x
  2. Step 2: Convert to fraction form
    79,436.63/109,632.27 = 45,902.63/x
  3. Step 3: Cross multiply
    79,436.63x = 109,632.27 × 45,902.63
  4. Step 4: Simplify right side
    79,436.63x = 5,032,408,977.71
  5. Step 5: Solve for x
    x = 5,032,408,977.71/79,436.63
  6. Step 6: Final answer
    x = 63,351.24

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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.