Home / 102,586.50-153,564.44-87,452.88

Finding the Fourth Proportional to 102,586.50, 153,564.44 and 87,452.88

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Solution

The fourth proportional to 102,586.50, 153,564.44 and 87,452.88 is: 130,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,586.50 : 153,564.44 = 87,452.88 : x
  2. Step 2: Convert to fraction form
    102,586.50/153,564.44 = 87,452.88/x
  3. Step 3: Cross multiply
    102,586.50x = 153,564.44 × 87,452.88
  4. Step 4: Simplify right side
    102,586.50x = 13,429,651,530.46
  5. Step 5: Solve for x
    x = 13,429,651,530.46/102,586.50
  6. Step 6: Final answer
    x = 130,910.51

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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.