Home / 116,646.72-161,074.08-91,452.48

Finding the Fourth Proportional to 116,646.72, 161,074.08 and 91,452.48

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Solution

The fourth proportional to 116,646.72, 161,074.08 and 91,452.48 is: 126,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,646.72 : 161,074.08 = 91,452.48 : x
  2. Step 2: Convert to fraction form
    116,646.72/161,074.08 = 91,452.48/x
  3. Step 3: Cross multiply
    116,646.72x = 161,074.08 × 91,452.48
  4. Step 4: Simplify right side
    116,646.72x = 14,730,624,079.72
  5. Step 5: Solve for x
    x = 14,730,624,079.72/116,646.72
  6. Step 6: Final answer
    x = 126,284.08

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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.