Home / 117,816.08-162,586.90-64,101.49

Finding the Fourth Proportional to 117,816.08, 162,586.90 and 64,101.49

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Solution

The fourth proportional to 117,816.08, 162,586.90 and 64,101.49 is: 88,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,816.08 : 162,586.90 = 64,101.49 : x
  2. Step 2: Convert to fraction form
    117,816.08/162,586.90 = 64,101.49/x
  3. Step 3: Cross multiply
    117,816.08x = 162,586.90 × 64,101.49
  4. Step 4: Simplify right side
    117,816.08x = 10,422,062,218.14
  5. Step 5: Solve for x
    x = 10,422,062,218.14/117,816.08
  6. Step 6: Final answer
    x = 88,460.44

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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.