Home / 97,144.46-134,055.75-54,122.94

Finding the Fourth Proportional to 97,144.46, 134,055.75 and 54,122.94

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Solution

The fourth proportional to 97,144.46, 134,055.75 and 54,122.94 is: 74,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,144.46 : 134,055.75 = 54,122.94 : x
  2. Step 2: Convert to fraction form
    97,144.46/134,055.75 = 54,122.94/x
  3. Step 3: Cross multiply
    97,144.46x = 134,055.75 × 54,122.94
  4. Step 4: Simplify right side
    97,144.46x = 7,255,491,313.91
  5. Step 5: Solve for x
    x = 7,255,491,313.91/97,144.46
  6. Step 6: Final answer
    x = 74,687.65

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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.