Home / 83,848.07-125,771.00-20,668.95

Finding the Fourth Proportional to 83,848.07, 125,771.00 and 20,668.95

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Solution

The fourth proportional to 83,848.07, 125,771.00 and 20,668.95 is: 31,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,848.07 : 125,771.00 = 20,668.95 : x
  2. Step 2: Convert to fraction form
    83,848.07/125,771.00 = 20,668.95/x
  3. Step 3: Cross multiply
    83,848.07x = 125,771.00 × 20,668.95
  4. Step 4: Simplify right side
    83,848.07x = 2,599,554,407.11
  5. Step 5: Solve for x
    x = 2,599,554,407.11/83,848.07
  6. Step 6: Final answer
    x = 31,003.15

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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.