Home / 99,447.03-149,236.17-46,871.55

Finding the Fourth Proportional to 99,447.03, 149,236.17 and 46,871.55

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Solution

The fourth proportional to 99,447.03, 149,236.17 and 46,871.55 is: 70,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,447.03 : 149,236.17 = 46,871.55 : x
  2. Step 2: Convert to fraction form
    99,447.03/149,236.17 = 46,871.55/x
  3. Step 3: Cross multiply
    99,447.03x = 149,236.17 × 46,871.55
  4. Step 4: Simplify right side
    99,447.03x = 6,994,930,603.96
  5. Step 5: Solve for x
    x = 6,994,930,603.96/99,447.03
  6. Step 6: Final answer
    x = 70,338.26

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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.