Home / 115,979.83-173,674.36-76,417.03

Finding the Fourth Proportional to 115,979.83, 173,674.36 and 76,417.03

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Solution

The fourth proportional to 115,979.83, 173,674.36 and 76,417.03 is: 114,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,979.83 : 173,674.36 = 76,417.03 : x
  2. Step 2: Convert to fraction form
    115,979.83/173,674.36 = 76,417.03/x
  3. Step 3: Cross multiply
    115,979.83x = 173,674.36 × 76,417.03
  4. Step 4: Simplify right side
    115,979.83x = 13,271,678,778.35
  5. Step 5: Solve for x
    x = 13,271,678,778.35/115,979.83
  6. Step 6: Final answer
    x = 114,430.92

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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.