Home / 97,070.89-133,957.56-54,629.43

Finding the Fourth Proportional to 97,070.89, 133,957.56 and 54,629.43

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Solution

The fourth proportional to 97,070.89, 133,957.56 and 54,629.43 is: 75,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,070.89 : 133,957.56 = 54,629.43 : x
  2. Step 2: Convert to fraction form
    97,070.89/133,957.56 = 54,629.43/x
  3. Step 3: Cross multiply
    97,070.89x = 133,957.56 × 54,629.43
  4. Step 4: Simplify right side
    97,070.89x = 7,318,025,146.99
  5. Step 5: Solve for x
    x = 7,318,025,146.99/97,070.89
  6. Step 6: Final answer
    x = 75,388.46

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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.