Home / 107,037.50-160,655.87-54,486.32

Finding the Fourth Proportional to 107,037.50, 160,655.87 and 54,486.32

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Solution

The fourth proportional to 107,037.50, 160,655.87 and 54,486.32 is: 81,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,037.50 : 160,655.87 = 54,486.32 : x
  2. Step 2: Convert to fraction form
    107,037.50/160,655.87 = 54,486.32/x
  3. Step 3: Cross multiply
    107,037.50x = 160,655.87 × 54,486.32
  4. Step 4: Simplify right side
    107,037.50x = 8,753,546,475.63
  5. Step 5: Solve for x
    x = 8,753,546,475.63/107,037.50
  6. Step 6: Final answer
    x = 81,780.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.