Home / 57,628.90-79,533.93-43,459.30

Finding the Fourth Proportional to 57,628.90, 79,533.93 and 43,459.30

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Solution

The fourth proportional to 57,628.90, 79,533.93 and 43,459.30 is: 59,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.90 : 79,533.93 = 43,459.30 : x
  2. Step 2: Convert to fraction form
    57,628.90/79,533.93 = 43,459.30/x
  3. Step 3: Cross multiply
    57,628.90x = 79,533.93 × 43,459.30
  4. Step 4: Simplify right side
    57,628.90x = 3,456,488,924.05
  5. Step 5: Solve for x
    x = 3,456,488,924.05/57,628.90
  6. Step 6: Final answer
    x = 59,978.39

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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.