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Finding the Fourth Proportional to 63,403, 87,495.07 and 35,108.08

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Solution

The fourth proportional to 63,403, 87,495.07 and 35,108.08 is: 48,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,403 : 87,495.07 = 35,108.08 : x
  2. Step 2: Convert to fraction form
    63,403/87,495.07 = 35,108.08/x
  3. Step 3: Cross multiply
    63,403x = 87,495.07 × 35,108.08
  4. Step 4: Simplify right side
    63,403x = 3,071,783,917.17
  5. Step 5: Solve for x
    x = 3,071,783,917.17/63,403
  6. Step 6: Final answer
    x = 48,448.56

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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.