Home / 117,619.78-176,257.40-58,337.10

Finding the Fourth Proportional to 117,619.78, 176,257.40 and 58,337.10

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Solution

The fourth proportional to 117,619.78, 176,257.40 and 58,337.10 is: 87,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619.78 : 176,257.40 = 58,337.10 : x
  2. Step 2: Convert to fraction form
    117,619.78/176,257.40 = 58,337.10/x
  3. Step 3: Cross multiply
    117,619.78x = 176,257.40 × 58,337.10
  4. Step 4: Simplify right side
    117,619.78x = 10,282,345,569.54
  5. Step 5: Solve for x
    x = 10,282,345,569.54/117,619.78
  6. Step 6: Final answer
    x = 87,420.21

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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.