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Finding the Fourth Proportional to 61,175.36, 91,685.68 and 34,894.96

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Solution

The fourth proportional to 61,175.36, 91,685.68 and 34,894.96 is: 52,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175.36 : 91,685.68 = 34,894.96 : x
  2. Step 2: Convert to fraction form
    61,175.36/91,685.68 = 34,894.96/x
  3. Step 3: Cross multiply
    61,175.36x = 91,685.68 × 34,894.96
  4. Step 4: Simplify right side
    61,175.36x = 3,199,368,136.17
  5. Step 5: Solve for x
    x = 3,199,368,136.17/61,175.36
  6. Step 6: Final answer
    x = 52,298.31

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1.5x scale

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.