Home / 216,074.28-324,111.42-58,302.72

Finding the Fourth Proportional to 216,074.28, 324,111.42 and 58,302.72

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Solution

The fourth proportional to 216,074.28, 324,111.42 and 58,302.72 is: 87,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,074.28 : 324,111.42 = 58,302.72 : x
  2. Step 2: Convert to fraction form
    216,074.28/324,111.42 = 58,302.72/x
  3. Step 3: Cross multiply
    216,074.28x = 324,111.42 × 58,302.72
  4. Step 4: Simplify right side
    216,074.28x = 18,896,577,369.06
  5. Step 5: Solve for x
    x = 18,896,577,369.06/216,074.28
  6. Step 6: Final answer
    x = 87,454.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.