Home / 117,743.39-162,428.74-69,962.91

Finding the Fourth Proportional to 117,743.39, 162,428.74 and 69,962.91

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Solution

The fourth proportional to 117,743.39, 162,428.74 and 69,962.91 is: 96,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743.39 : 162,428.74 = 69,962.91 : x
  2. Step 2: Convert to fraction form
    117,743.39/162,428.74 = 69,962.91/x
  3. Step 3: Cross multiply
    117,743.39x = 162,428.74 × 69,962.91
  4. Step 4: Simplify right side
    117,743.39x = 11,363,987,318.03
  5. Step 5: Solve for x
    x = 11,363,987,318.03/117,743.39
  6. Step 6: Final answer
    x = 96,514.86

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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.