Home / 43,036.65-64,549.83-11,449.03

Finding the Fourth Proportional to 43,036.65, 64,549.83 and 11,449.03

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Solution

The fourth proportional to 43,036.65, 64,549.83 and 11,449.03 is: 17,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036.65 : 64,549.83 = 11,449.03 : x
  2. Step 2: Convert to fraction form
    43,036.65/64,549.83 = 11,449.03/x
  3. Step 3: Cross multiply
    43,036.65x = 64,549.83 × 11,449.03
  4. Step 4: Simplify right side
    43,036.65x = 739,032,807.41
  5. Step 5: Solve for x
    x = 739,032,807.41/43,036.65
  6. Step 6: Final answer
    x = 17,172.17

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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.