Home / 92,731.68-127,962-54,999.36

Finding the Fourth Proportional to 92,731.68, 127,962 and 54,999.36

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Solution

The fourth proportional to 92,731.68, 127,962 and 54,999.36 is: 75,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,731.68 : 127,962 = 54,999.36 : x
  2. Step 2: Convert to fraction form
    92,731.68/127,962 = 54,999.36/x
  3. Step 3: Cross multiply
    92,731.68x = 127,962 × 54,999.36
  4. Step 4: Simplify right side
    92,731.68x = 7,037,828,104.32
  5. Step 5: Solve for x
    x = 7,037,828,104.32/92,731.68
  6. Step 6: Final answer
    x = 75,894.54

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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.