Home / 115,979.33-173,673.61-76,416.53

Finding the Fourth Proportional to 115,979.33, 173,673.61 and 76,416.53

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Solution

The fourth proportional to 115,979.33, 173,673.61 and 76,416.53 is: 114,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,979.33 : 173,673.61 = 76,416.53 : x
  2. Step 2: Convert to fraction form
    115,979.33/173,673.61 = 76,416.53/x
  3. Step 3: Cross multiply
    115,979.33x = 173,673.61 × 76,416.53
  4. Step 4: Simplify right side
    115,979.33x = 13,271,534,628.77
  5. Step 5: Solve for x
    x = 13,271,534,628.77/115,979.33
  6. Step 6: Final answer
    x = 114,430.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.