Home / 74,921.25-103,394.30-43,090.11

Finding the Fourth Proportional to 74,921.25, 103,394.30 and 43,090.11

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Solution

The fourth proportional to 74,921.25, 103,394.30 and 43,090.11 is: 59,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,921.25 : 103,394.30 = 43,090.11 : x
  2. Step 2: Convert to fraction form
    74,921.25/103,394.30 = 43,090.11/x
  3. Step 3: Cross multiply
    74,921.25x = 103,394.30 × 43,090.11
  4. Step 4: Simplify right side
    74,921.25x = 4,455,271,544.92
  5. Step 5: Solve for x
    x = 4,455,271,544.92/74,921.25
  6. Step 6: Final answer
    x = 59,466.06

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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.