Home / 101,927.06-140,664.02-56,605.25

Finding the Fourth Proportional to 101,927.06, 140,664.02 and 56,605.25

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Solution

The fourth proportional to 101,927.06, 140,664.02 and 56,605.25 is: 78,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,927.06 : 140,664.02 = 56,605.25 : x
  2. Step 2: Convert to fraction form
    101,927.06/140,664.02 = 56,605.25/x
  3. Step 3: Cross multiply
    101,927.06x = 140,664.02 × 56,605.25
  4. Step 4: Simplify right side
    101,927.06x = 7,962,321,735.08
  5. Step 5: Solve for x
    x = 7,962,321,735.08/101,927.06
  6. Step 6: Final answer
    x = 78,117.84

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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.