Home / 74,050.55-102,189.44-40,058.96

Finding the Fourth Proportional to 74,050.55, 102,189.44 and 40,058.96

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Solution

The fourth proportional to 74,050.55, 102,189.44 and 40,058.96 is: 55,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,050.55 : 102,189.44 = 40,058.96 : x
  2. Step 2: Convert to fraction form
    74,050.55/102,189.44 = 40,058.96/x
  3. Step 3: Cross multiply
    74,050.55x = 102,189.44 × 40,058.96
  4. Step 4: Simplify right side
    74,050.55x = 4,093,602,278.58
  5. Step 5: Solve for x
    x = 4,093,602,278.58/74,050.55
  6. Step 6: Final answer
    x = 55,281.19

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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.