Home / 117,908.90-176,752.16-58,688.60

Finding the Fourth Proportional to 117,908.90, 176,752.16 and 58,688.60

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Solution

The fourth proportional to 117,908.90, 176,752.16 and 58,688.60 is: 87,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908.90 : 176,752.16 = 58,688.60 : x
  2. Step 2: Convert to fraction form
    117,908.90/176,752.16 = 58,688.60/x
  3. Step 3: Cross multiply
    117,908.90x = 176,752.16 × 58,688.60
  4. Step 4: Simplify right side
    117,908.90x = 10,373,336,817.38
  5. Step 5: Solve for x
    x = 10,373,336,817.38/117,908.90
  6. Step 6: Final answer
    x = 87,977.56

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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.