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Finding the Fourth Proportional to 92,090.88, 127,086.02 and 51,804.32

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Solution

The fourth proportional to 92,090.88, 127,086.02 and 51,804.32 is: 71,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,090.88 : 127,086.02 = 51,804.32 : x
  2. Step 2: Convert to fraction form
    92,090.88/127,086.02 = 51,804.32/x
  3. Step 3: Cross multiply
    92,090.88x = 127,086.02 × 51,804.32
  4. Step 4: Simplify right side
    92,090.88x = 6,583,604,847.61
  5. Step 5: Solve for x
    x = 6,583,604,847.61/92,090.88
  6. Step 6: Final answer
    x = 71,490.30

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1.5x scale

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.