Home / 74,523.51-102,842.37-42,692.54

Finding the Fourth Proportional to 74,523.51, 102,842.37 and 42,692.54

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Solution

The fourth proportional to 74,523.51, 102,842.37 and 42,692.54 is: 58,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,523.51 : 102,842.37 = 42,692.54 : x
  2. Step 2: Convert to fraction form
    74,523.51/102,842.37 = 42,692.54/x
  3. Step 3: Cross multiply
    74,523.51x = 102,842.37 × 42,692.54
  4. Step 4: Simplify right side
    74,523.51x = 4,390,601,480.71
  5. Step 5: Solve for x
    x = 4,390,601,480.71/74,523.51
  6. Step 6: Final answer
    x = 58,915.66

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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.