Home / 82,920.30-124,307.55-49,653.60

Finding the Fourth Proportional to 82,920.30, 124,307.55 and 49,653.60

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Solution

The fourth proportional to 82,920.30, 124,307.55 and 49,653.60 is: 74,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.30 : 124,307.55 = 49,653.60 : x
  2. Step 2: Convert to fraction form
    82,920.30/124,307.55 = 49,653.60/x
  3. Step 3: Cross multiply
    82,920.30x = 124,307.55 × 49,653.60
  4. Step 4: Simplify right side
    82,920.30x = 6,172,317,364.68
  5. Step 5: Solve for x
    x = 6,172,317,364.68/82,920.30
  6. Step 6: Final answer
    x = 74,436.75

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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.