Home / 116,741.76-175,129.92-42,864

Finding the Fourth Proportional to 116,741.76, 175,129.92 and 42,864

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Solution

The fourth proportional to 116,741.76, 175,129.92 and 42,864 is: 64,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,741.76 : 175,129.92 = 42,864 : x
  2. Step 2: Convert to fraction form
    116,741.76/175,129.92 = 42,864/x
  3. Step 3: Cross multiply
    116,741.76x = 175,129.92 × 42,864
  4. Step 4: Simplify right side
    116,741.76x = 7,506,768,890.88
  5. Step 5: Solve for x
    x = 7,506,768,890.88/116,741.76
  6. Step 6: Final answer
    x = 64,302.34

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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.