Home / 117,476.46-162,113.18-63,760.32

Finding the Fourth Proportional to 117,476.46, 162,113.18 and 63,760.32

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Solution

The fourth proportional to 117,476.46, 162,113.18 and 63,760.32 is: 87,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.46 : 162,113.18 = 63,760.32 : x
  2. Step 2: Convert to fraction form
    117,476.46/162,113.18 = 63,760.32/x
  3. Step 3: Cross multiply
    117,476.46x = 162,113.18 × 63,760.32
  4. Step 4: Simplify right side
    117,476.46x = 10,336,387,914.22
  5. Step 5: Solve for x
    x = 10,336,387,914.22/117,476.46
  6. Step 6: Final answer
    x = 87,986.89

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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.