Home / 117,137.05-175,669.21-42,247.46

Finding the Fourth Proportional to 117,137.05, 175,669.21 and 42,247.46

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Solution

The fourth proportional to 117,137.05, 175,669.21 and 42,247.46 is: 63,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,137.05 : 175,669.21 = 42,247.46 : x
  2. Step 2: Convert to fraction form
    117,137.05/175,669.21 = 42,247.46/x
  3. Step 3: Cross multiply
    117,137.05x = 175,669.21 × 42,247.46
  4. Step 4: Simplify right side
    117,137.05x = 7,421,577,922.71
  5. Step 5: Solve for x
    x = 7,421,577,922.71/117,137.05
  6. Step 6: Final answer
    x = 63,358.07

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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.