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Finding the Fourth Proportional to 92,633.22, 127,836.12 and 56,842.92

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Solution

The fourth proportional to 92,633.22, 127,836.12 and 56,842.92 is: 78,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,633.22 : 127,836.12 = 56,842.92 : x
  2. Step 2: Convert to fraction form
    92,633.22/127,836.12 = 56,842.92/x
  3. Step 3: Cross multiply
    92,633.22x = 127,836.12 × 56,842.92
  4. Step 4: Simplify right side
    92,633.22x = 7,266,578,342.27
  5. Step 5: Solve for x
    x = 7,266,578,342.27/92,633.22
  6. Step 6: Final answer
    x = 78,444.63

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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.