Home / 74,289.82-102,539.48-46,019.20

Finding the Fourth Proportional to 74,289.82, 102,539.48 and 46,019.20

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Solution

The fourth proportional to 74,289.82, 102,539.48 and 46,019.20 is: 63,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.82 : 102,539.48 = 46,019.20 : x
  2. Step 2: Convert to fraction form
    74,289.82/102,539.48 = 46,019.20/x
  3. Step 3: Cross multiply
    74,289.82x = 102,539.48 × 46,019.20
  4. Step 4: Simplify right side
    74,289.82x = 4,718,784,838.02
  5. Step 5: Solve for x
    x = 4,718,784,838.02/74,289.82
  6. Step 6: Final answer
    x = 63,518.59

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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.