Home / 98,224.55-147,439.91-87,051.38

Finding the Fourth Proportional to 98,224.55, 147,439.91 and 87,051.38

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Solution

The fourth proportional to 98,224.55, 147,439.91 and 87,051.38 is: 130,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,224.55 : 147,439.91 = 87,051.38 : x
  2. Step 2: Convert to fraction form
    98,224.55/147,439.91 = 87,051.38/x
  3. Step 3: Cross multiply
    98,224.55x = 147,439.91 × 87,051.38
  4. Step 4: Simplify right side
    98,224.55x = 12,834,847,113.00
  5. Step 5: Solve for x
    x = 12,834,847,113.00/98,224.55
  6. Step 6: Final answer
    x = 130,668.43

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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.