Home / 117,726.21-162,395.69-69,994.94

Finding the Fourth Proportional to 117,726.21, 162,395.69 and 69,994.94

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Solution

The fourth proportional to 117,726.21, 162,395.69 and 69,994.94 is: 96,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,726.21 : 162,395.69 = 69,994.94 : x
  2. Step 2: Convert to fraction form
    117,726.21/162,395.69 = 69,994.94/x
  3. Step 3: Cross multiply
    117,726.21x = 162,395.69 × 69,994.94
  4. Step 4: Simplify right side
    117,726.21x = 11,366,875,415.86
  5. Step 5: Solve for x
    x = 11,366,875,415.86/117,726.21
  6. Step 6: Final answer
    x = 96,553.48

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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.