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Finding the Fourth Proportional to 92,045, 127,022.85 and 51,758.41

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Solution

The fourth proportional to 92,045, 127,022.85 and 51,758.41 is: 71,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,045 : 127,022.85 = 51,758.41 : x
  2. Step 2: Convert to fraction form
    92,045/127,022.85 = 51,758.41/x
  3. Step 3: Cross multiply
    92,045x = 127,022.85 × 51,758.41
  4. Step 4: Simplify right side
    92,045x = 6,574,500,749.67
  5. Step 5: Solve for x
    x = 6,574,500,749.67/92,045
  6. Step 6: Final answer
    x = 71,427.03

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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.