Home / 75,401.35-104,030.53-43,558.63

Finding the Fourth Proportional to 75,401.35, 104,030.53 and 43,558.63

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Solution

The fourth proportional to 75,401.35, 104,030.53 and 43,558.63 is: 60,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.35 : 104,030.53 = 43,558.63 : x
  2. Step 2: Convert to fraction form
    75,401.35/104,030.53 = 43,558.63/x
  3. Step 3: Cross multiply
    75,401.35x = 104,030.53 × 43,558.63
  4. Step 4: Simplify right side
    75,401.35x = 4,531,427,364.97
  5. Step 5: Solve for x
    x = 4,531,427,364.97/75,401.35
  6. Step 6: Final answer
    x = 60,097.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.