Home / 45,216.27-67,890.65-44,419.05

Finding the Fourth Proportional to 45,216.27, 67,890.65 and 44,419.05

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Solution

The fourth proportional to 45,216.27, 67,890.65 and 44,419.05 is: 66,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,216.27 : 67,890.65 = 44,419.05 : x
  2. Step 2: Convert to fraction form
    45,216.27/67,890.65 = 44,419.05/x
  3. Step 3: Cross multiply
    45,216.27x = 67,890.65 × 44,419.05
  4. Step 4: Simplify right side
    45,216.27x = 3,015,637,954.79
  5. Step 5: Solve for x
    x = 3,015,637,954.79/45,216.27
  6. Step 6: Final answer
    x = 66,693.65

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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.