Home / 116,981.54-161,434.38-63,266.06

Finding the Fourth Proportional to 116,981.54, 161,434.38 and 63,266.06

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Solution

The fourth proportional to 116,981.54, 161,434.38 and 63,266.06 is: 87,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,981.54 : 161,434.38 = 63,266.06 : x
  2. Step 2: Convert to fraction form
    116,981.54/161,434.38 = 63,266.06/x
  3. Step 3: Cross multiply
    116,981.54x = 161,434.38 × 63,266.06
  4. Step 4: Simplify right side
    116,981.54x = 10,213,317,171.14
  5. Step 5: Solve for x
    x = 10,213,317,171.14/116,981.54
  6. Step 6: Final answer
    x = 87,307.08

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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.