Home / 116,699.70-161,039.02-68,957.49

Finding the Fourth Proportional to 116,699.70, 161,039.02 and 68,957.49

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Solution

The fourth proportional to 116,699.70, 161,039.02 and 68,957.49 is: 95,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,699.70 : 161,039.02 = 68,957.49 : x
  2. Step 2: Convert to fraction form
    116,699.70/161,039.02 = 68,957.49/x
  3. Step 3: Cross multiply
    116,699.70x = 161,039.02 × 68,957.49
  4. Step 4: Simplify right side
    116,699.70x = 11,104,846,611.26
  5. Step 5: Solve for x
    x = 11,104,846,611.26/116,699.70
  6. Step 6: Final answer
    x = 95,157.46

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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.