Home / 49,802.40-74,487.60-44,575.20

Finding the Fourth Proportional to 49,802.40, 74,487.60 and 44,575.20

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Solution

The fourth proportional to 49,802.40, 74,487.60 and 44,575.20 is: 66,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,802.40 : 74,487.60 = 44,575.20 : x
  2. Step 2: Convert to fraction form
    49,802.40/74,487.60 = 44,575.20/x
  3. Step 3: Cross multiply
    49,802.40x = 74,487.60 × 44,575.20
  4. Step 4: Simplify right side
    49,802.40x = 3,320,299,667.52
  5. Step 5: Solve for x
    x = 3,320,299,667.52/49,802.40
  6. Step 6: Final answer
    x = 66,669.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.