Home / 66,043.08-99,220.14-53,808.84

Finding the Fourth Proportional to 66,043.08, 99,220.14 and 53,808.84

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Solution

The fourth proportional to 66,043.08, 99,220.14 and 53,808.84 is: 80,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,043.08 : 99,220.14 = 53,808.84 : x
  2. Step 2: Convert to fraction form
    66,043.08/99,220.14 = 53,808.84/x
  3. Step 3: Cross multiply
    66,043.08x = 99,220.14 × 53,808.84
  4. Step 4: Simplify right side
    66,043.08x = 5,338,920,638.04
  5. Step 5: Solve for x
    x = 5,338,920,638.04/66,043.08
  6. Step 6: Final answer
    x = 80,839.97

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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.