Home / 74,212.08-111,282.92-43,056.88

Finding the Fourth Proportional to 74,212.08, 111,282.92 and 43,056.88

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Solution

The fourth proportional to 74,212.08, 111,282.92 and 43,056.88 is: 64,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,212.08 : 111,282.92 = 43,056.88 : x
  2. Step 2: Convert to fraction form
    74,212.08/111,282.92 = 43,056.88/x
  3. Step 3: Cross multiply
    74,212.08x = 111,282.92 × 43,056.88
  4. Step 4: Simplify right side
    74,212.08x = 4,791,495,332.49
  5. Step 5: Solve for x
    x = 4,791,495,332.49/74,212.08
  6. Step 6: Final answer
    x = 64,564.90

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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.