Home / 53,611.01-73,986.54-30,954.14

Finding the Fourth Proportional to 53,611.01, 73,986.54 and 30,954.14

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Solution

The fourth proportional to 53,611.01, 73,986.54 and 30,954.14 is: 42,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,611.01 : 73,986.54 = 30,954.14 : x
  2. Step 2: Convert to fraction form
    53,611.01/73,986.54 = 30,954.14/x
  3. Step 3: Cross multiply
    53,611.01x = 73,986.54 × 30,954.14
  4. Step 4: Simplify right side
    53,611.01x = 2,290,189,717.28
  5. Step 5: Solve for x
    x = 2,290,189,717.28/53,611.01
  6. Step 6: Final answer
    x = 42,718.65

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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.