Home / 103,063.60-154,532.22-43,865.56

Finding the Fourth Proportional to 103,063.60, 154,532.22 and 43,865.56

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Solution

The fourth proportional to 103,063.60, 154,532.22 and 43,865.56 is: 65,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,063.60 : 154,532.22 = 43,865.56 : x
  2. Step 2: Convert to fraction form
    103,063.60/154,532.22 = 43,865.56/x
  3. Step 3: Cross multiply
    103,063.60x = 154,532.22 × 43,865.56
  4. Step 4: Simplify right side
    103,063.60x = 6,778,642,368.34
  5. Step 5: Solve for x
    x = 6,778,642,368.34/103,063.60
  6. Step 6: Final answer
    x = 65,771.45

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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.