Home / 103,666.93-155,401.87-40,527.53

Finding the Fourth Proportional to 103,666.93, 155,401.87 and 40,527.53

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Solution

The fourth proportional to 103,666.93, 155,401.87 and 40,527.53 is: 60,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.93 : 155,401.87 = 40,527.53 : x
  2. Step 2: Convert to fraction form
    103,666.93/155,401.87 = 40,527.53/x
  3. Step 3: Cross multiply
    103,666.93x = 155,401.87 × 40,527.53
  4. Step 4: Simplify right side
    103,666.93x = 6,298,053,948.48
  5. Step 5: Solve for x
    x = 6,298,053,948.48/103,666.93
  6. Step 6: Final answer
    x = 60,752.78

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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.