Home / 124,783.20-187,199.10-36,039.60

Finding the Fourth Proportional to 124,783.20, 187,199.10 and 36,039.60

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Solution

The fourth proportional to 124,783.20, 187,199.10 and 36,039.60 is: 54,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.20 : 187,199.10 = 36,039.60 : x
  2. Step 2: Convert to fraction form
    124,783.20/187,199.10 = 36,039.60/x
  3. Step 3: Cross multiply
    124,783.20x = 187,199.10 × 36,039.60
  4. Step 4: Simplify right side
    124,783.20x = 6,746,580,684.36
  5. Step 5: Solve for x
    x = 6,746,580,684.36/124,783.20
  6. Step 6: Final answer
    x = 54,066.42

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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.