Home / 70,845.84-97,763.52-40,629.60

Finding the Fourth Proportional to 70,845.84, 97,763.52 and 40,629.60

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Solution

The fourth proportional to 70,845.84, 97,763.52 and 40,629.60 is: 56,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845.84 : 97,763.52 = 40,629.60 : x
  2. Step 2: Convert to fraction form
    70,845.84/97,763.52 = 40,629.60/x
  3. Step 3: Cross multiply
    70,845.84x = 97,763.52 × 40,629.60
  4. Step 4: Simplify right side
    70,845.84x = 3,972,092,712.19
  5. Step 5: Solve for x
    x = 3,972,092,712.19/70,845.84
  6. Step 6: Final answer
    x = 56,066.70

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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.