Home / 69,089.70-95,365.20-53,155.38

Finding the Fourth Proportional to 69,089.70, 95,365.20 and 53,155.38

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Solution

The fourth proportional to 69,089.70, 95,365.20 and 53,155.38 is: 73,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.70 : 95,365.20 = 53,155.38 : x
  2. Step 2: Convert to fraction form
    69,089.70/95,365.20 = 53,155.38/x
  3. Step 3: Cross multiply
    69,089.70x = 95,365.20 × 53,155.38
  4. Step 4: Simplify right side
    69,089.70x = 5,069,173,444.78
  5. Step 5: Solve for x
    x = 5,069,173,444.78/69,089.70
  6. Step 6: Final answer
    x = 73,370.90

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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.