Home / 55,749.16-76,901.70-33,380.20

Finding the Fourth Proportional to 55,749.16, 76,901.70 and 33,380.20

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Solution

The fourth proportional to 55,749.16, 76,901.70 and 33,380.20 is: 46,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749.16 : 76,901.70 = 33,380.20 : x
  2. Step 2: Convert to fraction form
    55,749.16/76,901.70 = 33,380.20/x
  3. Step 3: Cross multiply
    55,749.16x = 76,901.70 × 33,380.20
  4. Step 4: Simplify right side
    55,749.16x = 2,566,994,126.34
  5. Step 5: Solve for x
    x = 2,566,994,126.34/55,749.16
  6. Step 6: Final answer
    x = 46,045.43

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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.