Home / 121,401.84-182,100.60-46,501.68

Finding the Fourth Proportional to 121,401.84, 182,100.60 and 46,501.68

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Solution

The fourth proportional to 121,401.84, 182,100.60 and 46,501.68 is: 69,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,401.84 : 182,100.60 = 46,501.68 : x
  2. Step 2: Convert to fraction form
    121,401.84/182,100.60 = 46,501.68/x
  3. Step 3: Cross multiply
    121,401.84x = 182,100.60 × 46,501.68
  4. Step 4: Simplify right side
    121,401.84x = 8,467,983,829.01
  5. Step 5: Solve for x
    x = 8,467,983,829.01/121,401.84
  6. Step 6: Final answer
    x = 69,751.69

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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.