Home / 53,457.12-73,912.32-52,616.16

Finding the Fourth Proportional to 53,457.12, 73,912.32 and 52,616.16

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Solution

The fourth proportional to 53,457.12, 73,912.32 and 52,616.16 is: 72,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,457.12 : 73,912.32 = 52,616.16 : x
  2. Step 2: Convert to fraction form
    53,457.12/73,912.32 = 52,616.16/x
  3. Step 3: Cross multiply
    53,457.12x = 73,912.32 × 52,616.16
  4. Step 4: Simplify right side
    53,457.12x = 3,888,982,455.09
  5. Step 5: Solve for x
    x = 3,888,982,455.09/53,457.12
  6. Step 6: Final answer
    x = 72,749.57

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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.