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Finding the Fourth Proportional to 92,243.34, 127,303.65 and 51,965.01

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Solution

The fourth proportional to 92,243.34, 127,303.65 and 51,965.01 is: 71,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,243.34 : 127,303.65 = 51,965.01 : x
  2. Step 2: Convert to fraction form
    92,243.34/127,303.65 = 51,965.01/x
  3. Step 3: Cross multiply
    92,243.34x = 127,303.65 × 51,965.01
  4. Step 4: Simplify right side
    92,243.34x = 6,615,335,445.29
  5. Step 5: Solve for x
    x = 6,615,335,445.29/92,243.34
  6. Step 6: Final answer
    x = 71,716.13

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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.