Home / 117,454.15-162,086.83-63,739.16

Finding the Fourth Proportional to 117,454.15, 162,086.83 and 63,739.16

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Solution

The fourth proportional to 117,454.15, 162,086.83 and 63,739.16 is: 87,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.15 : 162,086.83 = 63,739.16 : x
  2. Step 2: Convert to fraction form
    117,454.15/162,086.83 = 63,739.16/x
  3. Step 3: Cross multiply
    117,454.15x = 162,086.83 × 63,739.16
  4. Step 4: Simplify right side
    117,454.15x = 10,331,278,637.13
  5. Step 5: Solve for x
    x = 10,331,278,637.13/117,454.15
  6. Step 6: Final answer
    x = 87,960.10

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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.