Home / 117,815.99-162,586.77-64,101.39

Finding the Fourth Proportional to 117,815.99, 162,586.77 and 64,101.39

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Solution

The fourth proportional to 117,815.99, 162,586.77 and 64,101.39 is: 88,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,815.99 : 162,586.77 = 64,101.39 : x
  2. Step 2: Convert to fraction form
    117,815.99/162,586.77 = 64,101.39/x
  3. Step 3: Cross multiply
    117,815.99x = 162,586.77 × 64,101.39
  4. Step 4: Simplify right side
    117,815.99x = 10,422,037,952.61
  5. Step 5: Solve for x
    x = 10,422,037,952.61/117,815.99
  6. Step 6: Final answer
    x = 88,460.30

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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.