Home / 82,946.70-124,420.05-23,778.90

Finding the Fourth Proportional to 82,946.70, 124,420.05 and 23,778.90

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Solution

The fourth proportional to 82,946.70, 124,420.05 and 23,778.90 is: 35,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,946.70 : 124,420.05 = 23,778.90 : x
  2. Step 2: Convert to fraction form
    82,946.70/124,420.05 = 23,778.90/x
  3. Step 3: Cross multiply
    82,946.70x = 124,420.05 × 23,778.90
  4. Step 4: Simplify right side
    82,946.70x = 2,958,571,926.95
  5. Step 5: Solve for x
    x = 2,958,571,926.95/82,946.70
  6. Step 6: Final answer
    x = 35,668.35

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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.