Home / 57,120.58-78,750.79-46,874.08

Finding the Fourth Proportional to 57,120.58, 78,750.79 and 46,874.08

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Solution

The fourth proportional to 57,120.58, 78,750.79 and 46,874.08 is: 64,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,120.58 : 78,750.79 = 46,874.08 : x
  2. Step 2: Convert to fraction form
    57,120.58/78,750.79 = 46,874.08/x
  3. Step 3: Cross multiply
    57,120.58x = 78,750.79 × 46,874.08
  4. Step 4: Simplify right side
    57,120.58x = 3,691,370,830.52
  5. Step 5: Solve for x
    x = 3,691,370,830.52/57,120.58
  6. Step 6: Final answer
    x = 64,624.18

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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.