Home / 85,212.42-117,598.28-46,971.92

Finding the Fourth Proportional to 85,212.42, 117,598.28 and 46,971.92

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Solution

The fourth proportional to 85,212.42, 117,598.28 and 46,971.92 is: 64,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.42 : 117,598.28 = 46,971.92 : x
  2. Step 2: Convert to fraction form
    85,212.42/117,598.28 = 46,971.92/x
  3. Step 3: Cross multiply
    85,212.42x = 117,598.28 × 46,971.92
  4. Step 4: Simplify right side
    85,212.42x = 5,523,816,177.45
  5. Step 5: Solve for x
    x = 5,523,816,177.45/85,212.42
  6. Step 6: Final answer
    x = 64,824.07

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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.