Home / 92,998.36-128,338.65-50,557.80

Finding the Fourth Proportional to 92,998.36, 128,338.65 and 50,557.80

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Solution

The fourth proportional to 92,998.36, 128,338.65 and 50,557.80 is: 69,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,998.36 : 128,338.65 = 50,557.80 : x
  2. Step 2: Convert to fraction form
    92,998.36/128,338.65 = 50,557.80/x
  3. Step 3: Cross multiply
    92,998.36x = 128,338.65 × 50,557.80
  4. Step 4: Simplify right side
    92,998.36x = 6,488,519,798.97
  5. Step 5: Solve for x
    x = 6,488,519,798.97/92,998.36
  6. Step 6: Final answer
    x = 69,770.26

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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.