Home / 116,759.07-161,065.26-71,459.01

Finding the Fourth Proportional to 116,759.07, 161,065.26 and 71,459.01

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Solution

The fourth proportional to 116,759.07, 161,065.26 and 71,459.01 is: 98,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,759.07 : 161,065.26 = 71,459.01 : x
  2. Step 2: Convert to fraction form
    116,759.07/161,065.26 = 71,459.01/x
  3. Step 3: Cross multiply
    116,759.07x = 161,065.26 × 71,459.01
  4. Step 4: Simplify right side
    116,759.07x = 11,509,564,024.99
  5. Step 5: Solve for x
    x = 11,509,564,024.99/116,759.07
  6. Step 6: Final answer
    x = 98,575.33

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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.