Home / 89,723.04-134,473.73-45,362.45

Finding the Fourth Proportional to 89,723.04, 134,473.73 and 45,362.45

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Solution

The fourth proportional to 89,723.04, 134,473.73 and 45,362.45 is: 67,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.04 : 134,473.73 = 45,362.45 : x
  2. Step 2: Convert to fraction form
    89,723.04/134,473.73 = 45,362.45/x
  3. Step 3: Cross multiply
    89,723.04x = 134,473.73 × 45,362.45
  4. Step 4: Simplify right side
    89,723.04x = 6,100,056,954.26
  5. Step 5: Solve for x
    x = 6,100,056,954.26/89,723.04
  6. Step 6: Final answer
    x = 67,987.63

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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.