Home / 102,406.36-153,611.16-39,255.52

Finding the Fourth Proportional to 102,406.36, 153,611.16 and 39,255.52

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Solution

The fourth proportional to 102,406.36, 153,611.16 and 39,255.52 is: 58,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,406.36 : 153,611.16 = 39,255.52 : x
  2. Step 2: Convert to fraction form
    102,406.36/153,611.16 = 39,255.52/x
  3. Step 3: Cross multiply
    102,406.36x = 153,611.16 × 39,255.52
  4. Step 4: Simplify right side
    102,406.36x = 6,030,085,963.60
  5. Step 5: Solve for x
    x = 6,030,085,963.60/102,406.36
  6. Step 6: Final answer
    x = 58,883.90

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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.