Home / 102,927.66-142,043.67-60,485.46

Finding the Fourth Proportional to 102,927.66, 142,043.67 and 60,485.46

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Solution

The fourth proportional to 102,927.66, 142,043.67 and 60,485.46 is: 83,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,927.66 : 142,043.67 = 60,485.46 : x
  2. Step 2: Convert to fraction form
    102,927.66/142,043.67 = 60,485.46/x
  3. Step 3: Cross multiply
    102,927.66x = 142,043.67 × 60,485.46
  4. Step 4: Simplify right side
    102,927.66x = 8,591,576,720.04
  5. Step 5: Solve for x
    x = 8,591,576,720.04/102,927.66
  6. Step 6: Final answer
    x = 83,471.99

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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.