Home / 116,866-161,275.08-66,594.16

Finding the Fourth Proportional to 116,866, 161,275.08 and 66,594.16

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Solution

The fourth proportional to 116,866, 161,275.08 and 66,594.16 is: 91,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,866 : 161,275.08 = 66,594.16 : x
  2. Step 2: Convert to fraction form
    116,866/161,275.08 = 66,594.16/x
  3. Step 3: Cross multiply
    116,866x = 161,275.08 × 66,594.16
  4. Step 4: Simplify right side
    116,866x = 10,739,978,481.53
  5. Step 5: Solve for x
    x = 10,739,978,481.53/116,866
  6. Step 6: Final answer
    x = 91,899.94

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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.