Home / 97,108.07-134,021.90-54,674.87

Finding the Fourth Proportional to 97,108.07, 134,021.90 and 54,674.87

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Solution

The fourth proportional to 97,108.07, 134,021.90 and 54,674.87 is: 75,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,108.07 : 134,021.90 = 54,674.87 : x
  2. Step 2: Convert to fraction form
    97,108.07/134,021.90 = 54,674.87/x
  3. Step 3: Cross multiply
    97,108.07x = 134,021.90 × 54,674.87
  4. Step 4: Simplify right side
    97,108.07x = 7,327,629,426.23
  5. Step 5: Solve for x
    x = 7,327,629,426.23/97,108.07
  6. Step 6: Final answer
    x = 75,458.51

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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.