Home / 76,068.36-114,109.11-19,908.24

Finding the Fourth Proportional to 76,068.36, 114,109.11 and 19,908.24

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Solution

The fourth proportional to 76,068.36, 114,109.11 and 19,908.24 is: 29,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,068.36 : 114,109.11 = 19,908.24 : x
  2. Step 2: Convert to fraction form
    76,068.36/114,109.11 = 19,908.24/x
  3. Step 3: Cross multiply
    76,068.36x = 114,109.11 × 19,908.24
  4. Step 4: Simplify right side
    76,068.36x = 2,271,711,548.07
  5. Step 5: Solve for x
    x = 2,271,711,548.07/76,068.36
  6. Step 6: Final answer
    x = 29,864.08

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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.