Home / 117,710.41-162,443.55-63,999.13

Finding the Fourth Proportional to 117,710.41, 162,443.55 and 63,999.13

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Solution

The fourth proportional to 117,710.41, 162,443.55 and 63,999.13 is: 88,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,710.41 : 162,443.55 = 63,999.13 : x
  2. Step 2: Convert to fraction form
    117,710.41/162,443.55 = 63,999.13/x
  3. Step 3: Cross multiply
    117,710.41x = 162,443.55 × 63,999.13
  4. Step 4: Simplify right side
    117,710.41x = 10,396,245,874.11
  5. Step 5: Solve for x
    x = 10,396,245,874.11/117,710.41
  6. Step 6: Final answer
    x = 88,320.53

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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.