Home / 102,909.15-154,297.85-46,690.83

Finding the Fourth Proportional to 102,909.15, 154,297.85 and 46,690.83

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Solution

The fourth proportional to 102,909.15, 154,297.85 and 46,690.83 is: 70,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,909.15 : 154,297.85 = 46,690.83 : x
  2. Step 2: Convert to fraction form
    102,909.15/154,297.85 = 46,690.83/x
  3. Step 3: Cross multiply
    102,909.15x = 154,297.85 × 46,690.83
  4. Step 4: Simplify right side
    102,909.15x = 7,204,294,450.26
  5. Step 5: Solve for x
    x = 7,204,294,450.26/102,909.15
  6. Step 6: Final answer
    x = 70,006.35

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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.