Home / 117,487.08-176,361.84-47,415.60

Finding the Fourth Proportional to 117,487.08, 176,361.84 and 47,415.60

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Solution

The fourth proportional to 117,487.08, 176,361.84 and 47,415.60 is: 71,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,487.08 : 176,361.84 = 47,415.60 : x
  2. Step 2: Convert to fraction form
    117,487.08/176,361.84 = 47,415.60/x
  3. Step 3: Cross multiply
    117,487.08x = 176,361.84 × 47,415.60
  4. Step 4: Simplify right side
    117,487.08x = 8,362,302,460.70
  5. Step 5: Solve for x
    x = 8,362,302,460.70/117,487.08
  6. Step 6: Final answer
    x = 71,176.36

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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.