Home / 45,141.57-67,782.29-43,145.19

Finding the Fourth Proportional to 45,141.57, 67,782.29 and 43,145.19

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Solution

The fourth proportional to 45,141.57, 67,782.29 and 43,145.19 is: 64,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,141.57 : 67,782.29 = 43,145.19 : x
  2. Step 2: Convert to fraction form
    45,141.57/67,782.29 = 43,145.19/x
  3. Step 3: Cross multiply
    45,141.57x = 67,782.29 × 43,145.19
  4. Step 4: Simplify right side
    45,141.57x = 2,924,479,564.96
  5. Step 5: Solve for x
    x = 2,924,479,564.96/45,141.57
  6. Step 6: Final answer
    x = 64,784.62

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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.