Home / 63,659.43-87,851.40-34,979.50

Finding the Fourth Proportional to 63,659.43, 87,851.40 and 34,979.50

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Solution

The fourth proportional to 63,659.43, 87,851.40 and 34,979.50 is: 48,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,659.43 : 87,851.40 = 34,979.50 : x
  2. Step 2: Convert to fraction form
    63,659.43/87,851.40 = 34,979.50/x
  3. Step 3: Cross multiply
    63,659.43x = 87,851.40 × 34,979.50
  4. Step 4: Simplify right side
    63,659.43x = 3,072,997,826.67
  5. Step 5: Solve for x
    x = 3,072,997,826.67/63,659.43
  6. Step 6: Final answer
    x = 48,272.47

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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.