Home / 117,030.62-175,550.79-38,145.53

Finding the Fourth Proportional to 117,030.62, 175,550.79 and 38,145.53

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Solution

The fourth proportional to 117,030.62, 175,550.79 and 38,145.53 is: 57,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,030.62 : 175,550.79 = 38,145.53 : x
  2. Step 2: Convert to fraction form
    117,030.62/175,550.79 = 38,145.53/x
  3. Step 3: Cross multiply
    117,030.62x = 175,550.79 × 38,145.53
  4. Step 4: Simplify right side
    117,030.62x = 6,696,477,926.47
  5. Step 5: Solve for x
    x = 6,696,477,926.47/117,030.62
  6. Step 6: Final answer
    x = 57,219.88

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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.