Home / 82,170.64-113,398.89-46,360.51

Finding the Fourth Proportional to 82,170.64, 113,398.89 and 46,360.51

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Solution

The fourth proportional to 82,170.64, 113,398.89 and 46,360.51 is: 63,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170.64 : 113,398.89 = 46,360.51 : x
  2. Step 2: Convert to fraction form
    82,170.64/113,398.89 = 46,360.51/x
  3. Step 3: Cross multiply
    82,170.64x = 113,398.89 × 46,360.51
  4. Step 4: Simplify right side
    82,170.64x = 5,257,230,373.83
  5. Step 5: Solve for x
    x = 5,257,230,373.83/82,170.64
  6. Step 6: Final answer
    x = 63,979.43

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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.