Home / 97,142.56-145,675.52-47,207.88

Finding the Fourth Proportional to 97,142.56, 145,675.52 and 47,207.88

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Solution

The fourth proportional to 97,142.56, 145,675.52 and 47,207.88 is: 70,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.56 : 145,675.52 = 47,207.88 : x
  2. Step 2: Convert to fraction form
    97,142.56/145,675.52 = 47,207.88/x
  3. Step 3: Cross multiply
    97,142.56x = 145,675.52 × 47,207.88
  4. Step 4: Simplify right side
    97,142.56x = 6,877,032,467.10
  5. Step 5: Solve for x
    x = 6,877,032,467.10/97,142.56
  6. Step 6: Final answer
    x = 70,793.20

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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.