Home / 98,606.28-147,470.22-87,584.52

Finding the Fourth Proportional to 98,606.28, 147,470.22 and 87,584.52

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Solution

The fourth proportional to 98,606.28, 147,470.22 and 87,584.52 is: 130,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,606.28 : 147,470.22 = 87,584.52 : x
  2. Step 2: Convert to fraction form
    98,606.28/147,470.22 = 87,584.52/x
  3. Step 3: Cross multiply
    98,606.28x = 147,470.22 × 87,584.52
  4. Step 4: Simplify right side
    98,606.28x = 12,916,108,432.99
  5. Step 5: Solve for x
    x = 12,916,108,432.99/98,606.28
  6. Step 6: Final answer
    x = 130,986.67

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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.