Home / 71,032.96-98,022.20-40,797

Finding the Fourth Proportional to 71,032.96, 98,022.20 and 40,797

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Solution

The fourth proportional to 71,032.96, 98,022.20 and 40,797 is: 56,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,032.96 : 98,022.20 = 40,797 : x
  2. Step 2: Convert to fraction form
    71,032.96/98,022.20 = 40,797/x
  3. Step 3: Cross multiply
    71,032.96x = 98,022.20 × 40,797
  4. Step 4: Simplify right side
    71,032.96x = 3,999,011,693.40
  5. Step 5: Solve for x
    x = 3,999,011,693.40/71,032.96
  6. Step 6: Final answer
    x = 56,297.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.