Home / 74,261.80-111,126.57-64,300.92

Finding the Fourth Proportional to 74,261.80, 111,126.57 and 64,300.92

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Solution

The fourth proportional to 74,261.80, 111,126.57 and 64,300.92 is: 96,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.80 : 111,126.57 = 64,300.92 : x
  2. Step 2: Convert to fraction form
    74,261.80/111,126.57 = 64,300.92/x
  3. Step 3: Cross multiply
    74,261.80x = 111,126.57 × 64,300.92
  4. Step 4: Simplify right side
    74,261.80x = 7,145,540,687.44
  5. Step 5: Solve for x
    x = 7,145,540,687.44/74,261.80
  6. Step 6: Final answer
    x = 96,220.95

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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.