Home / 117,316.32-175,974.39-42,418.91

Finding the Fourth Proportional to 117,316.32, 175,974.39 and 42,418.91

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Solution

The fourth proportional to 117,316.32, 175,974.39 and 42,418.91 is: 63,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.32 : 175,974.39 = 42,418.91 : x
  2. Step 2: Convert to fraction form
    117,316.32/175,974.39 = 42,418.91/x
  3. Step 3: Cross multiply
    117,316.32x = 175,974.39 × 42,418.91
  4. Step 4: Simplify right side
    117,316.32x = 7,464,640,931.84
  5. Step 5: Solve for x
    x = 7,464,640,931.84/117,316.32
  6. Step 6: Final answer
    x = 63,628.32

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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.