Home / 74,561.28-102,893.04-40,570.44

Finding the Fourth Proportional to 74,561.28, 102,893.04 and 40,570.44

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Solution

The fourth proportional to 74,561.28, 102,893.04 and 40,570.44 is: 55,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,561.28 : 102,893.04 = 40,570.44 : x
  2. Step 2: Convert to fraction form
    74,561.28/102,893.04 = 40,570.44/x
  3. Step 3: Cross multiply
    74,561.28x = 102,893.04 × 40,570.44
  4. Step 4: Simplify right side
    74,561.28x = 4,174,415,905.74
  5. Step 5: Solve for x
    x = 4,174,415,905.74/74,561.28
  6. Step 6: Final answer
    x = 55,986.38

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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.