Home / 66,219.04-99,290.58-21,833.56

Finding the Fourth Proportional to 66,219.04, 99,290.58 and 21,833.56

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Solution

The fourth proportional to 66,219.04, 99,290.58 and 21,833.56 is: 32,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.04 : 99,290.58 = 21,833.56 : x
  2. Step 2: Convert to fraction form
    66,219.04/99,290.58 = 21,833.56/x
  3. Step 3: Cross multiply
    66,219.04x = 99,290.58 × 21,833.56
  4. Step 4: Simplify right side
    66,219.04x = 2,167,866,835.86
  5. Step 5: Solve for x
    x = 2,167,866,835.86/66,219.04
  6. Step 6: Final answer
    x = 32,737.82

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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.