Home / 74,050.08-102,188.80-40,058.48

Finding the Fourth Proportional to 74,050.08, 102,188.80 and 40,058.48

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Solution

The fourth proportional to 74,050.08, 102,188.80 and 40,058.48 is: 55,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,050.08 : 102,188.80 = 40,058.48 : x
  2. Step 2: Convert to fraction form
    74,050.08/102,188.80 = 40,058.48/x
  3. Step 3: Cross multiply
    74,050.08x = 102,188.80 × 40,058.48
  4. Step 4: Simplify right side
    74,050.08x = 4,093,528,193.90
  5. Step 5: Solve for x
    x = 4,093,528,193.90/74,050.08
  6. Step 6: Final answer
    x = 55,280.54

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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.