Home / 102,767.94-141,808.90-57,441.16

Finding the Fourth Proportional to 102,767.94, 141,808.90 and 57,441.16

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Solution

The fourth proportional to 102,767.94, 141,808.90 and 57,441.16 is: 79,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,767.94 : 141,808.90 = 57,441.16 : x
  2. Step 2: Convert to fraction form
    102,767.94/141,808.90 = 57,441.16/x
  3. Step 3: Cross multiply
    102,767.94x = 141,808.90 × 57,441.16
  4. Step 4: Simplify right side
    102,767.94x = 8,145,667,714.32
  5. Step 5: Solve for x
    x = 8,145,667,714.32/102,767.94
  6. Step 6: Final answer
    x = 79,262.73

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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.