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Finding the Fourth Proportional to 61,951.04, 85,473.60 and 35,089.28

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Solution

The fourth proportional to 61,951.04, 85,473.60 and 35,089.28 is: 48,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,951.04 : 85,473.60 = 35,089.28 : x
  2. Step 2: Convert to fraction form
    61,951.04/85,473.60 = 35,089.28/x
  3. Step 3: Cross multiply
    61,951.04x = 85,473.60 × 35,089.28
  4. Step 4: Simplify right side
    61,951.04x = 2,999,207,083.01
  5. Step 5: Solve for x
    x = 2,999,207,083.01/61,951.04
  6. Step 6: Final answer
    x = 48,412.54

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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.