Home / 74,564.57-102,900.82-42,301.35

Finding the Fourth Proportional to 74,564.57, 102,900.82 and 42,301.35

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Solution

The fourth proportional to 74,564.57, 102,900.82 and 42,301.35 is: 58,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.57 : 102,900.82 = 42,301.35 : x
  2. Step 2: Convert to fraction form
    74,564.57/102,900.82 = 42,301.35/x
  3. Step 3: Cross multiply
    74,564.57x = 102,900.82 × 42,301.35
  4. Step 4: Simplify right side
    74,564.57x = 4,352,843,087.60
  5. Step 5: Solve for x
    x = 4,352,843,087.60/74,564.57
  6. Step 6: Final answer
    x = 58,376.83

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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.