Home / 115,478.28-173,232-36,564.30

Finding the Fourth Proportional to 115,478.28, 173,232 and 36,564.30

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Solution

The fourth proportional to 115,478.28, 173,232 and 36,564.30 is: 54,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,478.28 : 173,232 = 36,564.30 : x
  2. Step 2: Convert to fraction form
    115,478.28/173,232 = 36,564.30/x
  3. Step 3: Cross multiply
    115,478.28x = 173,232 × 36,564.30
  4. Step 4: Simplify right side
    115,478.28x = 6,334,106,817.60
  5. Step 5: Solve for x
    x = 6,334,106,817.60/115,478.28
  6. Step 6: Final answer
    x = 54,851.07

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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.