Home / 63,535.47-87,678.32-35,240.43

Finding the Fourth Proportional to 63,535.47, 87,678.32 and 35,240.43

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Solution

The fourth proportional to 63,535.47, 87,678.32 and 35,240.43 is: 48,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,535.47 : 87,678.32 = 35,240.43 : x
  2. Step 2: Convert to fraction form
    63,535.47/87,678.32 = 35,240.43/x
  3. Step 3: Cross multiply
    63,535.47x = 87,678.32 × 35,240.43
  4. Step 4: Simplify right side
    63,535.47x = 3,089,821,522.28
  5. Step 5: Solve for x
    x = 3,089,821,522.28/63,535.47
  6. Step 6: Final answer
    x = 48,631.44

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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.