Home / 81,106.00-111,926.52-45,297.36

Finding the Fourth Proportional to 81,106.00, 111,926.52 and 45,297.36

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Solution

The fourth proportional to 81,106.00, 111,926.52 and 45,297.36 is: 62,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,106.00 : 111,926.52 = 45,297.36 : x
  2. Step 2: Convert to fraction form
    81,106.00/111,926.52 = 45,297.36/x
  3. Step 3: Cross multiply
    81,106.00x = 111,926.52 × 45,297.36
  4. Step 4: Simplify right side
    81,106.00x = 5,069,975,869.99
  5. Step 5: Solve for x
    x = 5,069,975,869.99/81,106.00
  6. Step 6: Final answer
    x = 62,510.49

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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.