Home / 74,202.48-102,386.52-42,361.20

Finding the Fourth Proportional to 74,202.48, 102,386.52 and 42,361.20

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Solution

The fourth proportional to 74,202.48, 102,386.52 and 42,361.20 is: 58,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.48 : 102,386.52 = 42,361.20 : x
  2. Step 2: Convert to fraction form
    74,202.48/102,386.52 = 42,361.20/x
  3. Step 3: Cross multiply
    74,202.48x = 102,386.52 × 42,361.20
  4. Step 4: Simplify right side
    74,202.48x = 4,337,215,851.02
  5. Step 5: Solve for x
    x = 4,337,215,851.02/74,202.48
  6. Step 6: Final answer
    x = 58,451.09

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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.