Home / 117,579.87-176,346.45-57,582.63

Finding the Fourth Proportional to 117,579.87, 176,346.45 and 57,582.63

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Solution

The fourth proportional to 117,579.87, 176,346.45 and 57,582.63 is: 86,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,579.87 : 176,346.45 = 57,582.63 : x
  2. Step 2: Convert to fraction form
    117,579.87/176,346.45 = 57,582.63/x
  3. Step 3: Cross multiply
    117,579.87x = 176,346.45 × 57,582.63
  4. Step 4: Simplify right side
    117,579.87x = 10,154,492,382.16
  5. Step 5: Solve for x
    x = 10,154,492,382.16/117,579.87
  6. Step 6: Final answer
    x = 86,362.51

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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.