Home / 91,074.38-125,699.04-53,348.63

Finding the Fourth Proportional to 91,074.38, 125,699.04 and 53,348.63

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Solution

The fourth proportional to 91,074.38, 125,699.04 and 53,348.63 is: 73,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,074.38 : 125,699.04 = 53,348.63 : x
  2. Step 2: Convert to fraction form
    91,074.38/125,699.04 = 53,348.63/x
  3. Step 3: Cross multiply
    91,074.38x = 125,699.04 × 53,348.63
  4. Step 4: Simplify right side
    91,074.38x = 6,705,870,947.82
  5. Step 5: Solve for x
    x = 6,705,870,947.82/91,074.38
  6. Step 6: Final answer
    x = 73,630.71

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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.