Home / 75,528.56-104,242.46-43,715.00

Finding the Fourth Proportional to 75,528.56, 104,242.46 and 43,715.00

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Solution

The fourth proportional to 75,528.56, 104,242.46 and 43,715.00 is: 60,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,528.56 : 104,242.46 = 43,715.00 : x
  2. Step 2: Convert to fraction form
    75,528.56/104,242.46 = 43,715.00/x
  3. Step 3: Cross multiply
    75,528.56x = 104,242.46 × 43,715.00
  4. Step 4: Simplify right side
    75,528.56x = 4,556,958,399.11
  5. Step 5: Solve for x
    x = 4,556,958,399.11/75,528.56
  6. Step 6: Final answer
    x = 60,334.25

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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.