Home / 69,172.72-95,420.64-60,204.40

Finding the Fourth Proportional to 69,172.72, 95,420.64 and 60,204.40

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Solution

The fourth proportional to 69,172.72, 95,420.64 and 60,204.40 is: 83,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,172.72 : 95,420.64 = 60,204.40 : x
  2. Step 2: Convert to fraction form
    69,172.72/95,420.64 = 60,204.40/x
  3. Step 3: Cross multiply
    69,172.72x = 95,420.64 × 60,204.40
  4. Step 4: Simplify right side
    69,172.72x = 5,744,742,378.82
  5. Step 5: Solve for x
    x = 5,744,742,378.82/69,172.72
  6. Step 6: Final answer
    x = 83,049.25

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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.