Home / 75,091.42-103,663.56-43,254.10

Finding the Fourth Proportional to 75,091.42, 103,663.56 and 43,254.10

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Solution

The fourth proportional to 75,091.42, 103,663.56 and 43,254.10 is: 59,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.42 : 103,663.56 = 43,254.10 : x
  2. Step 2: Convert to fraction form
    75,091.42/103,663.56 = 43,254.10/x
  3. Step 3: Cross multiply
    75,091.42x = 103,663.56 × 43,254.10
  4. Step 4: Simplify right side
    75,091.42x = 4,483,873,990.60
  5. Step 5: Solve for x
    x = 4,483,873,990.60/75,091.42
  6. Step 6: Final answer
    x = 59,712.20

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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.