Home / 97,133.78-134,026.84-54,112.23

Finding the Fourth Proportional to 97,133.78, 134,026.84 and 54,112.23

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Solution

The fourth proportional to 97,133.78, 134,026.84 and 54,112.23 is: 74,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,133.78 : 134,026.84 = 54,112.23 : x
  2. Step 2: Convert to fraction form
    97,133.78/134,026.84 = 54,112.23/x
  3. Step 3: Cross multiply
    97,133.78x = 134,026.84 × 54,112.23
  4. Step 4: Simplify right side
    97,133.78x = 7,252,491,192.25
  5. Step 5: Solve for x
    x = 7,252,491,192.25/97,133.78
  6. Step 6: Final answer
    x = 74,664.97

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1.5x scale

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.