Home / 76,011.96-114,016.02-20,606.52

Finding the Fourth Proportional to 76,011.96, 114,016.02 and 20,606.52

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Solution

The fourth proportional to 76,011.96, 114,016.02 and 20,606.52 is: 30,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,011.96 : 114,016.02 = 20,606.52 : x
  2. Step 2: Convert to fraction form
    76,011.96/114,016.02 = 20,606.52/x
  3. Step 3: Cross multiply
    76,011.96x = 114,016.02 × 20,606.52
  4. Step 4: Simplify right side
    76,011.96x = 2,349,473,396.45
  5. Step 5: Solve for x
    x = 2,349,473,396.45/76,011.96
  6. Step 6: Final answer
    x = 30,909.26

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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.