Home / 102,212.09-153,319.49-32,091.40

Finding the Fourth Proportional to 102,212.09, 153,319.49 and 32,091.40

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Solution

The fourth proportional to 102,212.09, 153,319.49 and 32,091.40 is: 48,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.09 : 153,319.49 = 32,091.40 : x
  2. Step 2: Convert to fraction form
    102,212.09/153,319.49 = 32,091.40/x
  3. Step 3: Cross multiply
    102,212.09x = 153,319.49 × 32,091.40
  4. Step 4: Simplify right side
    102,212.09x = 4,920,237,081.39
  5. Step 5: Solve for x
    x = 4,920,237,081.39/102,212.09
  6. Step 6: Final answer
    x = 48,137.53

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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.