Home / 62,985.32-94,609.20-53,143.88

Finding the Fourth Proportional to 62,985.32, 94,609.20 and 53,143.88

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Solution

The fourth proportional to 62,985.32, 94,609.20 and 53,143.88 is: 79,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.32 : 94,609.20 = 53,143.88 : x
  2. Step 2: Convert to fraction form
    62,985.32/94,609.20 = 53,143.88/x
  3. Step 3: Cross multiply
    62,985.32x = 94,609.20 × 53,143.88
  4. Step 4: Simplify right side
    62,985.32x = 5,027,899,971.70
  5. Step 5: Solve for x
    x = 5,027,899,971.70/62,985.32
  6. Step 6: Final answer
    x = 79,826.54

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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.