Home / 85,097.34-117,433.08-47,371.59

Finding the Fourth Proportional to 85,097.34, 117,433.08 and 47,371.59

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Solution

The fourth proportional to 85,097.34, 117,433.08 and 47,371.59 is: 65,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.34 : 117,433.08 = 47,371.59 : x
  2. Step 2: Convert to fraction form
    85,097.34/117,433.08 = 47,371.59/x
  3. Step 3: Cross multiply
    85,097.34x = 117,433.08 × 47,371.59
  4. Step 4: Simplify right side
    85,097.34x = 5,562,991,718.20
  5. Step 5: Solve for x
    x = 5,562,991,718.20/85,097.34
  6. Step 6: Final answer
    x = 65,372.10

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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.