Home / 97,112.96-145,726.08-40,949.60

Finding the Fourth Proportional to 97,112.96, 145,726.08 and 40,949.60

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Solution

The fourth proportional to 97,112.96, 145,726.08 and 40,949.60 is: 61,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,112.96 : 145,726.08 = 40,949.60 : x
  2. Step 2: Convert to fraction form
    97,112.96/145,726.08 = 40,949.60/x
  3. Step 3: Cross multiply
    97,112.96x = 145,726.08 × 40,949.60
  4. Step 4: Simplify right side
    97,112.96x = 5,967,424,685.57
  5. Step 5: Solve for x
    x = 5,967,424,685.57/97,112.96
  6. Step 6: Final answer
    x = 61,448.28

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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.