Home / 103,998.42-156,017.07-41,673.78

Finding the Fourth Proportional to 103,998.42, 156,017.07 and 41,673.78

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Solution

The fourth proportional to 103,998.42, 156,017.07 and 41,673.78 is: 62,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,998.42 : 156,017.07 = 41,673.78 : x
  2. Step 2: Convert to fraction form
    103,998.42/156,017.07 = 41,673.78/x
  3. Step 3: Cross multiply
    103,998.42x = 156,017.07 × 41,673.78
  4. Step 4: Simplify right side
    103,998.42x = 6,501,821,051.42
  5. Step 5: Solve for x
    x = 6,501,821,051.42/103,998.42
  6. Step 6: Final answer
    x = 62,518.46

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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.