Home / 84,935.56-117,215.22-47,209

Finding the Fourth Proportional to 84,935.56, 117,215.22 and 47,209

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Solution

The fourth proportional to 84,935.56, 117,215.22 and 47,209 is: 65,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935.56 : 117,215.22 = 47,209 : x
  2. Step 2: Convert to fraction form
    84,935.56/117,215.22 = 47,209/x
  3. Step 3: Cross multiply
    84,935.56x = 117,215.22 × 47,209
  4. Step 4: Simplify right side
    84,935.56x = 5,533,613,320.98
  5. Step 5: Solve for x
    x = 5,533,613,320.98/84,935.56
  6. Step 6: Final answer
    x = 65,150.73

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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.