Home / 93,450.07-128,977.83-55,726.75

Finding the Fourth Proportional to 93,450.07, 128,977.83 and 55,726.75

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Solution

The fourth proportional to 93,450.07, 128,977.83 and 55,726.75 is: 76,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,450.07 : 128,977.83 = 55,726.75 : x
  2. Step 2: Convert to fraction form
    93,450.07/128,977.83 = 55,726.75/x
  3. Step 3: Cross multiply
    93,450.07x = 128,977.83 × 55,726.75
  4. Step 4: Simplify right side
    93,450.07x = 7,187,515,287.95
  5. Step 5: Solve for x
    x = 7,187,515,287.95/93,450.07
  6. Step 6: Final answer
    x = 76,912.89

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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.