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Finding the Fourth Proportional to 92,048.59, 127,026.26 and 51,761.50

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Solution

The fourth proportional to 92,048.59, 127,026.26 and 51,761.50 is: 71,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,048.59 : 127,026.26 = 51,761.50 : x
  2. Step 2: Convert to fraction form
    92,048.59/127,026.26 = 51,761.50/x
  3. Step 3: Cross multiply
    92,048.59x = 127,026.26 × 51,761.50
  4. Step 4: Simplify right side
    92,048.59x = 6,575,069,374.72
  5. Step 5: Solve for x
    x = 6,575,069,374.72/92,048.59
  6. Step 6: Final answer
    x = 71,430.42

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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.