Home / 66,553.04-99,180.90-64,633.84

Finding the Fourth Proportional to 66,553.04, 99,180.90 and 64,633.84

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Solution

The fourth proportional to 66,553.04, 99,180.90 and 64,633.84 is: 96,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,553.04 : 99,180.90 = 64,633.84 : x
  2. Step 2: Convert to fraction form
    66,553.04/99,180.90 = 64,633.84/x
  3. Step 3: Cross multiply
    66,553.04x = 99,180.90 × 64,633.84
  4. Step 4: Simplify right side
    66,553.04x = 6,410,442,421.66
  5. Step 5: Solve for x
    x = 6,410,442,421.66/66,553.04
  6. Step 6: Final answer
    x = 96,320.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.