Home / 66,998.43-92,438.28-47,884.05

Finding the Fourth Proportional to 66,998.43, 92,438.28 and 47,884.05

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Solution

The fourth proportional to 66,998.43, 92,438.28 and 47,884.05 is: 66,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.43 : 92,438.28 = 47,884.05 : x
  2. Step 2: Convert to fraction form
    66,998.43/92,438.28 = 47,884.05/x
  3. Step 3: Cross multiply
    66,998.43x = 92,438.28 × 47,884.05
  4. Step 4: Simplify right side
    66,998.43x = 4,426,319,221.43
  5. Step 5: Solve for x
    x = 4,426,319,221.43/66,998.43
  6. Step 6: Final answer
    x = 66,066.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.