Home / 74,933.87-103,407.53-40,941.63

Finding the Fourth Proportional to 74,933.87, 103,407.53 and 40,941.63

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Solution

The fourth proportional to 74,933.87, 103,407.53 and 40,941.63 is: 56,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.87 : 103,407.53 = 40,941.63 : x
  2. Step 2: Convert to fraction form
    74,933.87/103,407.53 = 40,941.63/x
  3. Step 3: Cross multiply
    74,933.87x = 103,407.53 × 40,941.63
  4. Step 4: Simplify right side
    74,933.87x = 4,233,672,832.47
  5. Step 5: Solve for x
    x = 4,233,672,832.47/74,933.87
  6. Step 6: Final answer
    x = 56,498.79

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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.