Home / 91,668.48-137,519.96-36,268.80

Finding the Fourth Proportional to 91,668.48, 137,519.96 and 36,268.80

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Solution

The fourth proportional to 91,668.48, 137,519.96 and 36,268.80 is: 54,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,668.48 : 137,519.96 = 36,268.80 : x
  2. Step 2: Convert to fraction form
    91,668.48/137,519.96 = 36,268.80/x
  3. Step 3: Cross multiply
    91,668.48x = 137,519.96 × 36,268.80
  4. Step 4: Simplify right side
    91,668.48x = 4,987,683,925.25
  5. Step 5: Solve for x
    x = 4,987,683,925.25/91,668.48
  6. Step 6: Final answer
    x = 54,410.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.