Home / 74,933.96-103,405.80-40,943.62

Finding the Fourth Proportional to 74,933.96, 103,405.80 and 40,943.62

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Solution

The fourth proportional to 74,933.96, 103,405.80 and 40,943.62 is: 56,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.96 : 103,405.80 = 40,943.62 : x
  2. Step 2: Convert to fraction form
    74,933.96/103,405.80 = 40,943.62/x
  3. Step 3: Cross multiply
    74,933.96x = 103,405.80 × 40,943.62
  4. Step 4: Simplify right side
    74,933.96x = 4,233,807,781.00
  5. Step 5: Solve for x
    x = 4,233,807,781.00/74,933.96
  6. Step 6: Final answer
    x = 56,500.52

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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.