Home / 97,078.12-145,620.38-26,958.12

Finding the Fourth Proportional to 97,078.12, 145,620.38 and 26,958.12

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Solution

The fourth proportional to 97,078.12, 145,620.38 and 26,958.12 is: 40,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,078.12 : 145,620.38 = 26,958.12 : x
  2. Step 2: Convert to fraction form
    97,078.12/145,620.38 = 26,958.12/x
  3. Step 3: Cross multiply
    97,078.12x = 145,620.38 × 26,958.12
  4. Step 4: Simplify right side
    97,078.12x = 3,925,651,678.49
  5. Step 5: Solve for x
    x = 3,925,651,678.49/97,078.12
  6. Step 6: Final answer
    x = 40,438.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.