Home / 91,887.21-137,866.46-35,766.77

Finding the Fourth Proportional to 91,887.21, 137,866.46 and 35,766.77

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Solution

The fourth proportional to 91,887.21, 137,866.46 and 35,766.77 is: 53,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,887.21 : 137,866.46 = 35,766.77 : x
  2. Step 2: Convert to fraction form
    91,887.21/137,866.46 = 35,766.77/x
  3. Step 3: Cross multiply
    91,887.21x = 137,866.46 × 35,766.77
  4. Step 4: Simplify right side
    91,887.21x = 4,931,037,097.37
  5. Step 5: Solve for x
    x = 4,931,037,097.37/91,887.21
  6. Step 6: Final answer
    x = 53,664.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.