Home / 103,666.92-155,401.86-40,527.54

Finding the Fourth Proportional to 103,666.92, 155,401.86 and 40,527.54

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Solution

The fourth proportional to 103,666.92, 155,401.86 and 40,527.54 is: 60,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.92 : 155,401.86 = 40,527.54 : x
  2. Step 2: Convert to fraction form
    103,666.92/155,401.86 = 40,527.54/x
  3. Step 3: Cross multiply
    103,666.92x = 155,401.86 × 40,527.54
  4. Step 4: Simplify right side
    103,666.92x = 6,298,055,097.22
  5. Step 5: Solve for x
    x = 6,298,055,097.22/103,666.92
  6. Step 6: Final answer
    x = 60,752.79

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1.5x scale

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.