Home / 53,570.60-73,912.78-33,430.72

Finding the Fourth Proportional to 53,570.60, 73,912.78 and 33,430.72

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Solution

The fourth proportional to 53,570.60, 73,912.78 and 33,430.72 is: 46,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,570.60 : 73,912.78 = 33,430.72 : x
  2. Step 2: Convert to fraction form
    53,570.60/73,912.78 = 33,430.72/x
  3. Step 3: Cross multiply
    53,570.60x = 73,912.78 × 33,430.72
  4. Step 4: Simplify right side
    53,570.60x = 2,470,957,452.60
  5. Step 5: Solve for x
    x = 2,470,957,452.60/53,570.60
  6. Step 6: Final answer
    x = 46,125.25

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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.