Home / 91,806.82-126,698.25-51,518.50

Finding the Fourth Proportional to 91,806.82, 126,698.25 and 51,518.50

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Solution

The fourth proportional to 91,806.82, 126,698.25 and 51,518.50 is: 71,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,806.82 : 126,698.25 = 51,518.50 : x
  2. Step 2: Convert to fraction form
    91,806.82/126,698.25 = 51,518.50/x
  3. Step 3: Cross multiply
    91,806.82x = 126,698.25 × 51,518.50
  4. Step 4: Simplify right side
    91,806.82x = 6,527,303,792.63
  5. Step 5: Solve for x
    x = 6,527,303,792.63/91,806.82
  6. Step 6: Final answer
    x = 71,098.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.