Home / 52,850.56-72,933.21-28,977.17

Finding the Fourth Proportional to 52,850.56, 72,933.21 and 28,977.17

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Solution

The fourth proportional to 52,850.56, 72,933.21 and 28,977.17 is: 39,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.56 : 72,933.21 = 28,977.17 : x
  2. Step 2: Convert to fraction form
    52,850.56/72,933.21 = 28,977.17/x
  3. Step 3: Cross multiply
    52,850.56x = 72,933.21 × 28,977.17
  4. Step 4: Simplify right side
    52,850.56x = 2,113,398,315.81
  5. Step 5: Solve for x
    x = 2,113,398,315.81/52,850.56
  6. Step 6: Final answer
    x = 39,988.19

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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.