Home / 85,344.08-117,774.96-47,617.52

Finding the Fourth Proportional to 85,344.08, 117,774.96 and 47,617.52

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Solution

The fourth proportional to 85,344.08, 117,774.96 and 47,617.52 is: 65,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,344.08 : 117,774.96 = 47,617.52 : x
  2. Step 2: Convert to fraction form
    85,344.08/117,774.96 = 47,617.52/x
  3. Step 3: Cross multiply
    85,344.08x = 117,774.96 × 47,617.52
  4. Step 4: Simplify right side
    85,344.08x = 5,608,151,513.30
  5. Step 5: Solve for x
    x = 5,608,151,513.30/85,344.08
  6. Step 6: Final answer
    x = 65,712.25

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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.