Home / 89,559.09-123,588.09-49,270.50

Finding the Fourth Proportional to 89,559.09, 123,588.09 and 49,270.50

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Solution

The fourth proportional to 89,559.09, 123,588.09 and 49,270.50 is: 67,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,559.09 : 123,588.09 = 49,270.50 : x
  2. Step 2: Convert to fraction form
    89,559.09/123,588.09 = 49,270.50/x
  3. Step 3: Cross multiply
    89,559.09x = 123,588.09 × 49,270.50
  4. Step 4: Simplify right side
    89,559.09x = 6,089,246,988.35
  5. Step 5: Solve for x
    x = 6,089,246,988.35/89,559.09
  6. Step 6: Final answer
    x = 67,991.39

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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.