Home / 55,543.20-76,651.66-31,669.62

Finding the Fourth Proportional to 55,543.20, 76,651.66 and 31,669.62

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Solution

The fourth proportional to 55,543.20, 76,651.66 and 31,669.62 is: 43,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543.20 : 76,651.66 = 31,669.62 : x
  2. Step 2: Convert to fraction form
    55,543.20/76,651.66 = 31,669.62/x
  3. Step 3: Cross multiply
    55,543.20x = 76,651.66 × 31,669.62
  4. Step 4: Simplify right side
    55,543.20x = 2,427,528,944.57
  5. Step 5: Solve for x
    x = 2,427,528,944.57/55,543.20
  6. Step 6: Final answer
    x = 43,705.24

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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.