Home / 84,983.32-117,272.36-47,255.12

Finding the Fourth Proportional to 84,983.32, 117,272.36 and 47,255.12

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Solution

The fourth proportional to 84,983.32, 117,272.36 and 47,255.12 is: 65,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,983.32 : 117,272.36 = 47,255.12 : x
  2. Step 2: Convert to fraction form
    84,983.32/117,272.36 = 47,255.12/x
  3. Step 3: Cross multiply
    84,983.32x = 117,272.36 × 47,255.12
  4. Step 4: Simplify right side
    84,983.32x = 5,541,719,444.48
  5. Step 5: Solve for x
    x = 5,541,719,444.48/84,983.32
  6. Step 6: Final answer
    x = 65,209.50

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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.