Home / 117,030.54-175,834.68-74,928.97

Finding the Fourth Proportional to 117,030.54, 175,834.68 and 74,928.97

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Solution

The fourth proportional to 117,030.54, 175,834.68 and 74,928.97 is: 112,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,030.54 : 175,834.68 = 74,928.97 : x
  2. Step 2: Convert to fraction form
    117,030.54/175,834.68 = 74,928.97/x
  3. Step 3: Cross multiply
    117,030.54x = 175,834.68 × 74,928.97
  4. Step 4: Simplify right side
    117,030.54x = 13,175,111,462.68
  5. Step 5: Solve for x
    x = 13,175,111,462.68/117,030.54
  6. Step 6: Final answer
    x = 112,578.40

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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.