Home / 84,698.79-126,857.03-48,628.95

Finding the Fourth Proportional to 84,698.79, 126,857.03 and 48,628.95

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Solution

The fourth proportional to 84,698.79, 126,857.03 and 48,628.95 is: 72,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,698.79 : 126,857.03 = 48,628.95 : x
  2. Step 2: Convert to fraction form
    84,698.79/126,857.03 = 48,628.95/x
  3. Step 3: Cross multiply
    84,698.79x = 126,857.03 × 48,628.95
  4. Step 4: Simplify right side
    84,698.79x = 6,168,923,925.87
  5. Step 5: Solve for x
    x = 6,168,923,925.87/84,698.79
  6. Step 6: Final answer
    x = 72,833.67

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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.