Home / 82,956.90-124,435.35-30,404.10

Finding the Fourth Proportional to 82,956.90, 124,435.35 and 30,404.10

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Solution

The fourth proportional to 82,956.90, 124,435.35 and 30,404.10 is: 45,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,956.90 : 124,435.35 = 30,404.10 : x
  2. Step 2: Convert to fraction form
    82,956.90/124,435.35 = 30,404.10/x
  3. Step 3: Cross multiply
    82,956.90x = 124,435.35 × 30,404.10
  4. Step 4: Simplify right side
    82,956.90x = 3,783,344,824.94
  5. Step 5: Solve for x
    x = 3,783,344,824.94/82,956.90
  6. Step 6: Final answer
    x = 45,606.15

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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.