Home / 100,844.04-151,260.56-30,717.90

Finding the Fourth Proportional to 100,844.04, 151,260.56 and 30,717.90

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Solution

The fourth proportional to 100,844.04, 151,260.56 and 30,717.90 is: 46,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,844.04 : 151,260.56 = 30,717.90 : x
  2. Step 2: Convert to fraction form
    100,844.04/151,260.56 = 30,717.90/x
  3. Step 3: Cross multiply
    100,844.04x = 151,260.56 × 30,717.90
  4. Step 4: Simplify right side
    100,844.04x = 4,646,406,756.02
  5. Step 5: Solve for x
    x = 4,646,406,756.02/100,844.04
  6. Step 6: Final answer
    x = 46,075.17

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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.