Home / 99,477.35-149,116.22-46,206.72

Finding the Fourth Proportional to 99,477.35, 149,116.22 and 46,206.72

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Solution

The fourth proportional to 99,477.35, 149,116.22 and 46,206.72 is: 69,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,477.35 : 149,116.22 = 46,206.72 : x
  2. Step 2: Convert to fraction form
    99,477.35/149,116.22 = 46,206.72/x
  3. Step 3: Cross multiply
    99,477.35x = 149,116.22 × 46,206.72
  4. Step 4: Simplify right side
    99,477.35x = 6,890,171,540.52
  5. Step 5: Solve for x
    x = 6,890,171,540.52/99,477.35
  6. Step 6: Final answer
    x = 69,263.73

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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.