Home / 117,768.34-162,521.08-64,053.76

Finding the Fourth Proportional to 117,768.34, 162,521.08 and 64,053.76

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Solution

The fourth proportional to 117,768.34, 162,521.08 and 64,053.76 is: 88,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,768.34 : 162,521.08 = 64,053.76 : x
  2. Step 2: Convert to fraction form
    117,768.34/162,521.08 = 64,053.76/x
  3. Step 3: Cross multiply
    117,768.34x = 162,521.08 × 64,053.76
  4. Step 4: Simplify right side
    117,768.34x = 10,410,086,253.26
  5. Step 5: Solve for x
    x = 10,410,086,253.26/117,768.34
  6. Step 6: Final answer
    x = 88,394.61

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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.