Home / 85,495.24-117,982.98-47,769.16

Finding the Fourth Proportional to 85,495.24, 117,982.98 and 47,769.16

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Solution

The fourth proportional to 85,495.24, 117,982.98 and 47,769.16 is: 65,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,495.24 : 117,982.98 = 47,769.16 : x
  2. Step 2: Convert to fraction form
    85,495.24/117,982.98 = 47,769.16/x
  3. Step 3: Cross multiply
    85,495.24x = 117,982.98 × 47,769.16
  4. Step 4: Simplify right side
    85,495.24x = 5,635,947,848.90
  5. Step 5: Solve for x
    x = 5,635,947,848.90/85,495.24
  6. Step 6: Final answer
    x = 65,921.19

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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.