Home / 66,432.20-99,626.70-22,051.40

Finding the Fourth Proportional to 66,432.20, 99,626.70 and 22,051.40

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Solution

The fourth proportional to 66,432.20, 99,626.70 and 22,051.40 is: 33,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432.20 : 99,626.70 = 22,051.40 : x
  2. Step 2: Convert to fraction form
    66,432.20/99,626.70 = 22,051.40/x
  3. Step 3: Cross multiply
    66,432.20x = 99,626.70 × 22,051.40
  4. Step 4: Simplify right side
    66,432.20x = 2,196,908,212.38
  5. Step 5: Solve for x
    x = 2,196,908,212.38/66,432.20
  6. Step 6: Final answer
    x = 33,069.93

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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.