Home / 85,022.88-117,336.24-47,296.32

Finding the Fourth Proportional to 85,022.88, 117,336.24 and 47,296.32

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Solution

The fourth proportional to 85,022.88, 117,336.24 and 47,296.32 is: 65,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,022.88 : 117,336.24 = 47,296.32 : x
  2. Step 2: Convert to fraction form
    85,022.88/117,336.24 = 47,296.32/x
  3. Step 3: Cross multiply
    85,022.88x = 117,336.24 × 47,296.32
  4. Step 4: Simplify right side
    85,022.88x = 5,549,572,354.64
  5. Step 5: Solve for x
    x = 5,549,572,354.64/85,022.88
  6. Step 6: Final answer
    x = 65,271.52

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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.