Home / 85,102.47-117,440.42-46,861.23

Finding the Fourth Proportional to 85,102.47, 117,440.42 and 46,861.23

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Solution

The fourth proportional to 85,102.47, 117,440.42 and 46,861.23 is: 64,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102.47 : 117,440.42 = 46,861.23 : x
  2. Step 2: Convert to fraction form
    85,102.47/117,440.42 = 46,861.23/x
  3. Step 3: Cross multiply
    85,102.47x = 117,440.42 × 46,861.23
  4. Step 4: Simplify right side
    85,102.47x = 5,503,402,062.87
  5. Step 5: Solve for x
    x = 5,503,402,062.87/85,102.47
  6. Step 6: Final answer
    x = 64,667.95

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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.