Home / 75,370.42-104,021.04-43,539.58

Finding the Fourth Proportional to 75,370.42, 104,021.04 and 43,539.58

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Solution

The fourth proportional to 75,370.42, 104,021.04 and 43,539.58 is: 60,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,370.42 : 104,021.04 = 43,539.58 : x
  2. Step 2: Convert to fraction form
    75,370.42/104,021.04 = 43,539.58/x
  3. Step 3: Cross multiply
    75,370.42x = 104,021.04 × 43,539.58
  4. Step 4: Simplify right side
    75,370.42x = 4,529,032,392.76
  5. Step 5: Solve for x
    x = 4,529,032,392.76/75,370.42
  6. Step 6: Final answer
    x = 60,090.32

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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.