Home / 55,503.06-76,601.22-36,398.90

Finding the Fourth Proportional to 55,503.06, 76,601.22 and 36,398.90

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Solution

The fourth proportional to 55,503.06, 76,601.22 and 36,398.90 is: 50,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,503.06 : 76,601.22 = 36,398.90 : x
  2. Step 2: Convert to fraction form
    55,503.06/76,601.22 = 36,398.90/x
  3. Step 3: Cross multiply
    55,503.06x = 76,601.22 × 36,398.90
  4. Step 4: Simplify right side
    55,503.06x = 2,788,200,146.66
  5. Step 5: Solve for x
    x = 2,788,200,146.66/55,503.06
  6. Step 6: Final answer
    x = 50,235.07

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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.