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Finding the Fourth Proportional to 92,971.13, 128,292.66 and 52,691.04

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Solution

The fourth proportional to 92,971.13, 128,292.66 and 52,691.04 is: 72,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,971.13 : 128,292.66 = 52,691.04 : x
  2. Step 2: Convert to fraction form
    92,971.13/128,292.66 = 52,691.04/x
  3. Step 3: Cross multiply
    92,971.13x = 128,292.66 × 52,691.04
  4. Step 4: Simplify right side
    92,971.13x = 6,759,873,679.77
  5. Step 5: Solve for x
    x = 6,759,873,679.77/92,971.13
  6. Step 6: Final answer
    x = 72,709.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.