Home / 102,664.92-141,676.10-57,343.55

Finding the Fourth Proportional to 102,664.92, 141,676.10 and 57,343.55

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Solution

The fourth proportional to 102,664.92, 141,676.10 and 57,343.55 is: 79,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,664.92 : 141,676.10 = 57,343.55 : x
  2. Step 2: Convert to fraction form
    102,664.92/141,676.10 = 57,343.55/x
  3. Step 3: Cross multiply
    102,664.92x = 141,676.10 × 57,343.55
  4. Step 4: Simplify right side
    102,664.92x = 8,124,210,524.16
  5. Step 5: Solve for x
    x = 8,124,210,524.16/102,664.92
  6. Step 6: Final answer
    x = 79,133.27

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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.