Home / 75,567.89-104,272.04-43,730.64

Finding the Fourth Proportional to 75,567.89, 104,272.04 and 43,730.64

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Solution

The fourth proportional to 75,567.89, 104,272.04 and 43,730.64 is: 60,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,567.89 : 104,272.04 = 43,730.64 : x
  2. Step 2: Convert to fraction form
    75,567.89/104,272.04 = 43,730.64/x
  3. Step 3: Cross multiply
    75,567.89x = 104,272.04 × 43,730.64
  4. Step 4: Simplify right side
    75,567.89x = 4,559,883,152.63
  5. Step 5: Solve for x
    x = 4,559,883,152.63/75,567.89
  6. Step 6: Final answer
    x = 60,341.54

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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.