Home / 100,972.04-151,476.05-33,508.13

Finding the Fourth Proportional to 100,972.04, 151,476.05 and 33,508.13

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Solution

The fourth proportional to 100,972.04, 151,476.05 and 33,508.13 is: 50,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,972.04 : 151,476.05 = 33,508.13 : x
  2. Step 2: Convert to fraction form
    100,972.04/151,476.05 = 33,508.13/x
  3. Step 3: Cross multiply
    100,972.04x = 151,476.05 × 33,508.13
  4. Step 4: Simplify right side
    100,972.04x = 5,075,678,501.68
  5. Step 5: Solve for x
    x = 5,075,678,501.68/100,972.04
  6. Step 6: Final answer
    x = 50,268.16

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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.