Home / 52,850.67-72,933.88-28,977.74

Finding the Fourth Proportional to 52,850.67, 72,933.88 and 28,977.74

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Solution

The fourth proportional to 52,850.67, 72,933.88 and 28,977.74 is: 39,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.67 : 72,933.88 = 28,977.74 : x
  2. Step 2: Convert to fraction form
    52,850.67/72,933.88 = 28,977.74/x
  3. Step 3: Cross multiply
    52,850.67x = 72,933.88 × 28,977.74
  4. Step 4: Simplify right side
    52,850.67x = 2,113,459,011.83
  5. Step 5: Solve for x
    x = 2,113,459,011.83/52,850.67
  6. Step 6: Final answer
    x = 39,989.26

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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.