Home / 117,587.28-162,262.08-66,605.16

Finding the Fourth Proportional to 117,587.28, 162,262.08 and 66,605.16

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Solution

The fourth proportional to 117,587.28, 162,262.08 and 66,605.16 is: 91,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.28 : 162,262.08 = 66,605.16 : x
  2. Step 2: Convert to fraction form
    117,587.28/162,262.08 = 66,605.16/x
  3. Step 3: Cross multiply
    117,587.28x = 162,262.08 × 66,605.16
  4. Step 4: Simplify right side
    117,587.28x = 10,807,491,800.33
  5. Step 5: Solve for x
    x = 10,807,491,800.33/117,587.28
  6. Step 6: Final answer
    x = 91,910.38

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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.