Home / 49,685.58-74,528.37-28,894.50

Finding the Fourth Proportional to 49,685.58, 74,528.37 and 28,894.50

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Solution

The fourth proportional to 49,685.58, 74,528.37 and 28,894.50 is: 43,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685.58 : 74,528.37 = 28,894.50 : x
  2. Step 2: Convert to fraction form
    49,685.58/74,528.37 = 28,894.50/x
  3. Step 3: Cross multiply
    49,685.58x = 74,528.37 × 28,894.50
  4. Step 4: Simplify right side
    49,685.58x = 2,153,459,986.97
  5. Step 5: Solve for x
    x = 2,153,459,986.97/49,685.58
  6. Step 6: Final answer
    x = 43,341.75

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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.