Home / 117,473.65-162,112.07-63,758.20

Finding the Fourth Proportional to 117,473.65, 162,112.07 and 63,758.20

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Solution

The fourth proportional to 117,473.65, 162,112.07 and 63,758.20 is: 87,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.65 : 162,112.07 = 63,758.20 : x
  2. Step 2: Convert to fraction form
    117,473.65/162,112.07 = 63,758.20/x
  3. Step 3: Cross multiply
    117,473.65x = 162,112.07 × 63,758.20
  4. Step 4: Simplify right side
    117,473.65x = 10,335,973,781.47
  5. Step 5: Solve for x
    x = 10,335,973,781.47/117,473.65
  6. Step 6: Final answer
    x = 87,985.47

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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.