Home / 89,175.21-133,783.29-30,009.30

Finding the Fourth Proportional to 89,175.21, 133,783.29 and 30,009.30

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Solution

The fourth proportional to 89,175.21, 133,783.29 and 30,009.30 is: 45,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,175.21 : 133,783.29 = 30,009.30 : x
  2. Step 2: Convert to fraction form
    89,175.21/133,783.29 = 30,009.30/x
  3. Step 3: Cross multiply
    89,175.21x = 133,783.29 × 30,009.30
  4. Step 4: Simplify right side
    89,175.21x = 4,014,742,884.60
  5. Step 5: Solve for x
    x = 4,014,742,884.60/89,175.21
  6. Step 6: Final answer
    x = 45,020.84

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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.