Home / 75,483.78-104,165.37-43,217.34

Finding the Fourth Proportional to 75,483.78, 104,165.37 and 43,217.34

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Solution

The fourth proportional to 75,483.78, 104,165.37 and 43,217.34 is: 59,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,483.78 : 104,165.37 = 43,217.34 : x
  2. Step 2: Convert to fraction form
    75,483.78/104,165.37 = 43,217.34/x
  3. Step 3: Cross multiply
    75,483.78x = 104,165.37 × 43,217.34
  4. Step 4: Simplify right side
    75,483.78x = 4,501,750,211.52
  5. Step 5: Solve for x
    x = 4,501,750,211.52/75,483.78
  6. Step 6: Final answer
    x = 59,638.64

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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.