Home / 84,289.68-126,434.04-34,369.58

Finding the Fourth Proportional to 84,289.68, 126,434.04 and 34,369.58

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Solution

The fourth proportional to 84,289.68, 126,434.04 and 34,369.58 is: 51,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,289.68 : 126,434.04 = 34,369.58 : x
  2. Step 2: Convert to fraction form
    84,289.68/126,434.04 = 34,369.58/x
  3. Step 3: Cross multiply
    84,289.68x = 126,434.04 × 34,369.58
  4. Step 4: Simplify right side
    84,289.68x = 4,345,484,536.42
  5. Step 5: Solve for x
    x = 4,345,484,536.42/84,289.68
  6. Step 6: Final answer
    x = 51,554.17

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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.