Home / 74,704.14-103,090.37-40,712.42

Finding the Fourth Proportional to 74,704.14, 103,090.37 and 40,712.42

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Solution

The fourth proportional to 74,704.14, 103,090.37 and 40,712.42 is: 56,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.14 : 103,090.37 = 40,712.42 : x
  2. Step 2: Convert to fraction form
    74,704.14/103,090.37 = 40,712.42/x
  3. Step 3: Cross multiply
    74,704.14x = 103,090.37 × 40,712.42
  4. Step 4: Simplify right side
    74,704.14x = 4,197,058,441.40
  5. Step 5: Solve for x
    x = 4,197,058,441.40/74,704.14
  6. Step 6: Final answer
    x = 56,182.41

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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.