Home / 117,994.46-162,831.72-64,279.35

Finding the Fourth Proportional to 117,994.46, 162,831.72 and 64,279.35

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Solution

The fourth proportional to 117,994.46, 162,831.72 and 64,279.35 is: 88,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,994.46 : 162,831.72 = 64,279.35 : x
  2. Step 2: Convert to fraction form
    117,994.46/162,831.72 = 64,279.35/x
  3. Step 3: Cross multiply
    117,994.46x = 162,831.72 × 64,279.35
  4. Step 4: Simplify right side
    117,994.46x = 10,466,716,542.49
  5. Step 5: Solve for x
    x = 10,466,716,542.49/117,994.46
  6. Step 6: Final answer
    x = 88,705.15

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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.