Home / 74,062.07-102,203.11-42,241.22

Finding the Fourth Proportional to 74,062.07, 102,203.11 and 42,241.22

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Solution

The fourth proportional to 74,062.07, 102,203.11 and 42,241.22 is: 58,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,062.07 : 102,203.11 = 42,241.22 : x
  2. Step 2: Convert to fraction form
    74,062.07/102,203.11 = 42,241.22/x
  3. Step 3: Cross multiply
    74,062.07x = 102,203.11 × 42,241.22
  4. Step 4: Simplify right side
    74,062.07x = 4,317,184,054.19
  5. Step 5: Solve for x
    x = 4,317,184,054.19/74,062.07
  6. Step 6: Final answer
    x = 58,291.43

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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.