Home / 117,845.46-162,623.97-64,130.58

Finding the Fourth Proportional to 117,845.46, 162,623.97 and 64,130.58

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Solution

The fourth proportional to 117,845.46, 162,623.97 and 64,130.58 is: 88,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845.46 : 162,623.97 = 64,130.58 : x
  2. Step 2: Convert to fraction form
    117,845.46/162,623.97 = 64,130.58/x
  3. Step 3: Cross multiply
    117,845.46x = 162,623.97 × 64,130.58
  4. Step 4: Simplify right side
    117,845.46x = 10,429,169,518.00
  5. Step 5: Solve for x
    x = 10,429,169,518.00/117,845.46
  6. Step 6: Final answer
    x = 88,498.70

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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.