Home / 75,435.75-104,089.74-43,598.49

Finding the Fourth Proportional to 75,435.75, 104,089.74 and 43,598.49

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Solution

The fourth proportional to 75,435.75, 104,089.74 and 43,598.49 is: 60,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,435.75 : 104,089.74 = 43,598.49 : x
  2. Step 2: Convert to fraction form
    75,435.75/104,089.74 = 43,598.49/x
  3. Step 3: Cross multiply
    75,435.75x = 104,089.74 × 43,598.49
  4. Step 4: Simplify right side
    75,435.75x = 4,538,155,488.49
  5. Step 5: Solve for x
    x = 4,538,155,488.49/75,435.75
  6. Step 6: Final answer
    x = 60,159.21

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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.