Home / 84,636.96-126,956.52-37,880.16

Finding the Fourth Proportional to 84,636.96, 126,956.52 and 37,880.16

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Solution

The fourth proportional to 84,636.96, 126,956.52 and 37,880.16 is: 56,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,636.96 : 126,956.52 = 37,880.16 : x
  2. Step 2: Convert to fraction form
    84,636.96/126,956.52 = 37,880.16/x
  3. Step 3: Cross multiply
    84,636.96x = 126,956.52 × 37,880.16
  4. Step 4: Simplify right side
    84,636.96x = 4,809,133,290.64
  5. Step 5: Solve for x
    x = 4,809,133,290.64/84,636.96
  6. Step 6: Final answer
    x = 56,820.72

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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.