Home / 74,295.95-102,503.43-42,442.29

Finding the Fourth Proportional to 74,295.95, 102,503.43 and 42,442.29

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Solution

The fourth proportional to 74,295.95, 102,503.43 and 42,442.29 is: 58,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,295.95 : 102,503.43 = 42,442.29 : x
  2. Step 2: Convert to fraction form
    74,295.95/102,503.43 = 42,442.29/x
  3. Step 3: Cross multiply
    74,295.95x = 102,503.43 × 42,442.29
  4. Step 4: Simplify right side
    74,295.95x = 4,350,480,302.05
  5. Step 5: Solve for x
    x = 4,350,480,302.05/74,295.95
  6. Step 6: Final answer
    x = 58,556.09

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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.