Home / 116,824.85-161,218.08-63,109.70

Finding the Fourth Proportional to 116,824.85, 161,218.08 and 63,109.70

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Solution

The fourth proportional to 116,824.85, 161,218.08 and 63,109.70 is: 87,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,824.85 : 161,218.08 = 63,109.70 : x
  2. Step 2: Convert to fraction form
    116,824.85/161,218.08 = 63,109.70/x
  3. Step 3: Cross multiply
    116,824.85x = 161,218.08 × 63,109.70
  4. Step 4: Simplify right side
    116,824.85x = 10,174,424,461.85
  5. Step 5: Solve for x
    x = 10,174,424,461.85/116,824.85
  6. Step 6: Final answer
    x = 87,091.27

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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.