Home / 103,668.15-155,504.66-37,112.88

Finding the Fourth Proportional to 103,668.15, 155,504.66 and 37,112.88

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Solution

The fourth proportional to 103,668.15, 155,504.66 and 37,112.88 is: 55,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668.15 : 155,504.66 = 37,112.88 : x
  2. Step 2: Convert to fraction form
    103,668.15/155,504.66 = 37,112.88/x
  3. Step 3: Cross multiply
    103,668.15x = 155,504.66 × 37,112.88
  4. Step 4: Simplify right side
    103,668.15x = 5,771,225,600.46
  5. Step 5: Solve for x
    x = 5,771,225,600.46/103,668.15
  6. Step 6: Final answer
    x = 55,670.19

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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.