Home / 116,965.59-161,412.36-63,250.47

Finding the Fourth Proportional to 116,965.59, 161,412.36 and 63,250.47

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Solution

The fourth proportional to 116,965.59, 161,412.36 and 63,250.47 is: 87,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,965.59 : 161,412.36 = 63,250.47 : x
  2. Step 2: Convert to fraction form
    116,965.59/161,412.36 = 63,250.47/x
  3. Step 3: Cross multiply
    116,965.59x = 161,412.36 × 63,250.47
  4. Step 4: Simplify right side
    116,965.59x = 10,209,407,633.81
  5. Step 5: Solve for x
    x = 10,209,407,633.81/116,965.59
  6. Step 6: Final answer
    x = 87,285.57

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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.