Home / 85,582.59-128,266.95-41,197.47

Finding the Fourth Proportional to 85,582.59, 128,266.95 and 41,197.47

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Solution

The fourth proportional to 85,582.59, 128,266.95 and 41,197.47 is: 61,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582.59 : 128,266.95 = 41,197.47 : x
  2. Step 2: Convert to fraction form
    85,582.59/128,266.95 = 41,197.47/x
  3. Step 3: Cross multiply
    85,582.59x = 128,266.95 × 41,197.47
  4. Step 4: Simplify right side
    85,582.59x = 5,284,273,824.62
  5. Step 5: Solve for x
    x = 5,284,273,824.62/85,582.59
  6. Step 6: Final answer
    x = 61,744.73

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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.