Home / 91,770.14-126,642.84-53,555.96

Finding the Fourth Proportional to 91,770.14, 126,642.84 and 53,555.96

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Solution

The fourth proportional to 91,770.14, 126,642.84 and 53,555.96 is: 73,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.14 : 126,642.84 = 53,555.96 : x
  2. Step 2: Convert to fraction form
    91,770.14/126,642.84 = 53,555.96/x
  3. Step 3: Cross multiply
    91,770.14x = 126,642.84 × 53,555.96
  4. Step 4: Simplify right side
    91,770.14x = 6,782,478,873.33
  5. Step 5: Solve for x
    x = 6,782,478,873.33/91,770.14
  6. Step 6: Final answer
    x = 73,907.25

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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.