Home / 42,777.96-64,171.62-14,700.12

Finding the Fourth Proportional to 42,777.96, 64,171.62 and 14,700.12

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Solution

The fourth proportional to 42,777.96, 64,171.62 and 14,700.12 is: 22,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.96 : 64,171.62 = 14,700.12 : x
  2. Step 2: Convert to fraction form
    42,777.96/64,171.62 = 14,700.12/x
  3. Step 3: Cross multiply
    42,777.96x = 64,171.62 × 14,700.12
  4. Step 4: Simplify right side
    42,777.96x = 943,330,514.59
  5. Step 5: Solve for x
    x = 943,330,514.59/42,777.96
  6. Step 6: Final answer
    x = 22,051.79

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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.