Home / 91,955.77-126,914.00-76,617.98

Finding the Fourth Proportional to 91,955.77, 126,914.00 and 76,617.98

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Solution

The fourth proportional to 91,955.77, 126,914.00 and 76,617.98 is: 105,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,955.77 : 126,914.00 = 76,617.98 : x
  2. Step 2: Convert to fraction form
    91,955.77/126,914.00 = 76,617.98/x
  3. Step 3: Cross multiply
    91,955.77x = 126,914.00 × 76,617.98
  4. Step 4: Simplify right side
    91,955.77x = 9,723,893,296.06
  5. Step 5: Solve for x
    x = 9,723,893,296.06/91,955.77
  6. Step 6: Final answer
    x = 105,745.33

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1.5x scale

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.