Home / 115,528.80-173,302.40-44,485.88

Finding the Fourth Proportional to 115,528.80, 173,302.40 and 44,485.88

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Solution

The fourth proportional to 115,528.80, 173,302.40 and 44,485.88 is: 66,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,528.80 : 173,302.40 = 44,485.88 : x
  2. Step 2: Convert to fraction form
    115,528.80/173,302.40 = 44,485.88/x
  3. Step 3: Cross multiply
    115,528.80x = 173,302.40 × 44,485.88
  4. Step 4: Simplify right side
    115,528.80x = 7,709,509,770.11
  5. Step 5: Solve for x
    x = 7,709,509,770.11/115,528.80
  6. Step 6: Final answer
    x = 66,732.36

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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.