Home / 85,285.50-117,696.42-47,562.18

Finding the Fourth Proportional to 85,285.50, 117,696.42 and 47,562.18

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Solution

The fourth proportional to 85,285.50, 117,696.42 and 47,562.18 is: 65,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,285.50 : 117,696.42 = 47,562.18 : x
  2. Step 2: Convert to fraction form
    85,285.50/117,696.42 = 47,562.18/x
  3. Step 3: Cross multiply
    85,285.50x = 117,696.42 × 47,562.18
  4. Step 4: Simplify right side
    85,285.50x = 5,597,898,313.40
  5. Step 5: Solve for x
    x = 5,597,898,313.40/85,285.50
  6. Step 6: Final answer
    x = 65,637.16

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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.