Home / 114,429.12-157,911.30-66,013.26

Finding the Fourth Proportional to 114,429.12, 157,911.30 and 66,013.26

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Solution

The fourth proportional to 114,429.12, 157,911.30 and 66,013.26 is: 91,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,429.12 : 157,911.30 = 66,013.26 : x
  2. Step 2: Convert to fraction form
    114,429.12/157,911.30 = 66,013.26/x
  3. Step 3: Cross multiply
    114,429.12x = 157,911.30 × 66,013.26
  4. Step 4: Simplify right side
    114,429.12x = 10,424,239,703.84
  5. Step 5: Solve for x
    x = 10,424,239,703.84/114,429.12
  6. Step 6: Final answer
    x = 91,097.79

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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.