Home / 97,322.40-145,965.60-27,187.20

Finding the Fourth Proportional to 97,322.40, 145,965.60 and 27,187.20

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Solution

The fourth proportional to 97,322.40, 145,965.60 and 27,187.20 is: 40,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,322.40 : 145,965.60 = 27,187.20 : x
  2. Step 2: Convert to fraction form
    97,322.40/145,965.60 = 27,187.20/x
  3. Step 3: Cross multiply
    97,322.40x = 145,965.60 × 27,187.20
  4. Step 4: Simplify right side
    97,322.40x = 3,968,395,960.32
  5. Step 5: Solve for x
    x = 3,968,395,960.32/97,322.40
  6. Step 6: Final answer
    x = 40,775.77

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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.