Home / 117,702.81-162,444.83-66,723.84

Finding the Fourth Proportional to 117,702.81, 162,444.83 and 66,723.84

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Solution

The fourth proportional to 117,702.81, 162,444.83 and 66,723.84 is: 92,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,702.81 : 162,444.83 = 66,723.84 : x
  2. Step 2: Convert to fraction form
    117,702.81/162,444.83 = 66,723.84/x
  3. Step 3: Cross multiply
    117,702.81x = 162,444.83 × 66,723.84
  4. Step 4: Simplify right side
    117,702.81x = 10,838,942,512.13
  5. Step 5: Solve for x
    x = 10,838,942,512.13/117,702.81
  6. Step 6: Final answer
    x = 92,087.37

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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.