Home / 116,781.12-161,157.95-63,066.14

Finding the Fourth Proportional to 116,781.12, 161,157.95 and 63,066.14

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Solution

The fourth proportional to 116,781.12, 161,157.95 and 63,066.14 is: 87,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,781.12 : 161,157.95 = 63,066.14 : x
  2. Step 2: Convert to fraction form
    116,781.12/161,157.95 = 63,066.14/x
  3. Step 3: Cross multiply
    116,781.12x = 161,157.95 × 63,066.14
  4. Step 4: Simplify right side
    116,781.12x = 10,163,608,715.69
  5. Step 5: Solve for x
    x = 10,163,608,715.69/116,781.12
  6. Step 6: Final answer
    x = 87,031.27

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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.