Home / 82,946.90-124,420.35-49,769.30

Finding the Fourth Proportional to 82,946.90, 124,420.35 and 49,769.30

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Solution

The fourth proportional to 82,946.90, 124,420.35 and 49,769.30 is: 74,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,946.90 : 124,420.35 = 49,769.30 : x
  2. Step 2: Convert to fraction form
    82,946.90/124,420.35 = 49,769.30/x
  3. Step 3: Cross multiply
    82,946.90x = 124,420.35 × 49,769.30
  4. Step 4: Simplify right side
    82,946.90x = 6,192,313,725.26
  5. Step 5: Solve for x
    x = 6,192,313,725.26/82,946.90
  6. Step 6: Final answer
    x = 74,653.95

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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.