Home / 92,998.90-128,336.96-50,558.50

Finding the Fourth Proportional to 92,998.90, 128,336.96 and 50,558.50

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Solution

The fourth proportional to 92,998.90, 128,336.96 and 50,558.50 is: 69,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,998.90 : 128,336.96 = 50,558.50 : x
  2. Step 2: Convert to fraction form
    92,998.90/128,336.96 = 50,558.50/x
  3. Step 3: Cross multiply
    92,998.90x = 128,336.96 × 50,558.50
  4. Step 4: Simplify right side
    92,998.90x = 6,488,524,192.16
  5. Step 5: Solve for x
    x = 6,488,524,192.16/92,998.90
  6. Step 6: Final answer
    x = 69,769.90

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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.