Home / 39,172.08-58,750.60-11,085.35

Finding the Fourth Proportional to 39,172.08, 58,750.60 and 11,085.35

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Solution

The fourth proportional to 39,172.08, 58,750.60 and 11,085.35 is: 16,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.08 : 58,750.60 = 11,085.35 : x
  2. Step 2: Convert to fraction form
    39,172.08/58,750.60 = 11,085.35/x
  3. Step 3: Cross multiply
    39,172.08x = 58,750.60 × 11,085.35
  4. Step 4: Simplify right side
    39,172.08x = 651,270,963.71
  5. Step 5: Solve for x
    x = 651,270,963.71/39,172.08
  6. Step 6: Final answer
    x = 16,625.90

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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.