Home / 91,958.52-126,899.28-56,208.36

Finding the Fourth Proportional to 91,958.52, 126,899.28 and 56,208.36

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Solution

The fourth proportional to 91,958.52, 126,899.28 and 56,208.36 is: 77,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,958.52 : 126,899.28 = 56,208.36 : x
  2. Step 2: Convert to fraction form
    91,958.52/126,899.28 = 56,208.36/x
  3. Step 3: Cross multiply
    91,958.52x = 126,899.28 × 56,208.36
  4. Step 4: Simplify right side
    91,958.52x = 7,132,800,413.98
  5. Step 5: Solve for x
    x = 7,132,800,413.98/91,958.52
  6. Step 6: Final answer
    x = 77,565.41

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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.