Home / 71,632.56-98,852.19-39,800.76

Finding the Fourth Proportional to 71,632.56, 98,852.19 and 39,800.76

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Solution

The fourth proportional to 71,632.56, 98,852.19 and 39,800.76 is: 54,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,632.56 : 98,852.19 = 39,800.76 : x
  2. Step 2: Convert to fraction form
    71,632.56/98,852.19 = 39,800.76/x
  3. Step 3: Cross multiply
    71,632.56x = 98,852.19 × 39,800.76
  4. Step 4: Simplify right side
    71,632.56x = 3,934,392,289.66
  5. Step 5: Solve for x
    x = 3,934,392,289.66/71,632.56
  6. Step 6: Final answer
    x = 54,924.64

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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.