Home / 92,899.72-128,201.82-50,457.34

Finding the Fourth Proportional to 92,899.72, 128,201.82 and 50,457.34

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Solution

The fourth proportional to 92,899.72, 128,201.82 and 50,457.34 is: 69,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,899.72 : 128,201.82 = 50,457.34 : x
  2. Step 2: Convert to fraction form
    92,899.72/128,201.82 = 50,457.34/x
  3. Step 3: Cross multiply
    92,899.72x = 128,201.82 × 50,457.34
  4. Step 4: Simplify right side
    92,899.72x = 6,468,722,820.36
  5. Step 5: Solve for x
    x = 6,468,722,820.36/92,899.72
  6. Step 6: Final answer
    x = 69,631.24

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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.