Home / 74,735.46-103,130.82-42,902.28

Finding the Fourth Proportional to 74,735.46, 103,130.82 and 42,902.28

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Solution

The fourth proportional to 74,735.46, 103,130.82 and 42,902.28 is: 59,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,735.46 : 103,130.82 = 42,902.28 : x
  2. Step 2: Convert to fraction form
    74,735.46/103,130.82 = 42,902.28/x
  3. Step 3: Cross multiply
    74,735.46x = 103,130.82 × 42,902.28
  4. Step 4: Simplify right side
    74,735.46x = 4,424,547,316.27
  5. Step 5: Solve for x
    x = 4,424,547,316.27/74,735.46
  6. Step 6: Final answer
    x = 59,202.78

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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.