Home / 117,579.03-176,428.85-57,606.36

Finding the Fourth Proportional to 117,579.03, 176,428.85 and 57,606.36

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Solution

The fourth proportional to 117,579.03, 176,428.85 and 57,606.36 is: 86,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,579.03 : 176,428.85 = 57,606.36 : x
  2. Step 2: Convert to fraction form
    117,579.03/176,428.85 = 57,606.36/x
  3. Step 3: Cross multiply
    117,579.03x = 176,428.85 × 57,606.36
  4. Step 4: Simplify right side
    117,579.03x = 10,163,423,559.45
  5. Step 5: Solve for x
    x = 10,163,423,559.45/117,579.03
  6. Step 6: Final answer
    x = 86,439.08

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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.