Home / 117,030.12-175,550.04-38,145.03

Finding the Fourth Proportional to 117,030.12, 175,550.04 and 38,145.03

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Solution

The fourth proportional to 117,030.12, 175,550.04 and 38,145.03 is: 57,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,030.12 : 175,550.04 = 38,145.03 : x
  2. Step 2: Convert to fraction form
    117,030.12/175,550.04 = 38,145.03/x
  3. Step 3: Cross multiply
    117,030.12x = 175,550.04 × 38,145.03
  4. Step 4: Simplify right side
    117,030.12x = 6,696,361,542.30
  5. Step 5: Solve for x
    x = 6,696,361,542.30/117,030.12
  6. Step 6: Final answer
    x = 57,219.13

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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.