Home / 74,180.40-102,370.80-42,352.26

Finding the Fourth Proportional to 74,180.40, 102,370.80 and 42,352.26

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Solution

The fourth proportional to 74,180.40, 102,370.80 and 42,352.26 is: 58,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,180.40 : 102,370.80 = 42,352.26 : x
  2. Step 2: Convert to fraction form
    74,180.40/102,370.80 = 42,352.26/x
  3. Step 3: Cross multiply
    74,180.40x = 102,370.80 × 42,352.26
  4. Step 4: Simplify right side
    74,180.40x = 4,335,634,738.01
  5. Step 5: Solve for x
    x = 4,335,634,738.01/74,180.40
  6. Step 6: Final answer
    x = 58,447.17

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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.