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Finding the Fourth Proportional to 92,888.16, 128,186.31 and 50,446.69

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Solution

The fourth proportional to 92,888.16, 128,186.31 and 50,446.69 is: 69,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,888.16 : 128,186.31 = 50,446.69 : x
  2. Step 2: Convert to fraction form
    92,888.16/128,186.31 = 50,446.69/x
  3. Step 3: Cross multiply
    92,888.16x = 128,186.31 × 50,446.69
  4. Step 4: Simplify right side
    92,888.16x = 6,466,575,042.81
  5. Step 5: Solve for x
    x = 6,466,575,042.81/92,888.16
  6. Step 6: Final answer
    x = 69,616.78

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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.