Home / 66,301.20-99,451.80-44,042.40

Finding the Fourth Proportional to 66,301.20, 99,451.80 and 44,042.40

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Solution

The fourth proportional to 66,301.20, 99,451.80 and 44,042.40 is: 66,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.20 : 99,451.80 = 44,042.40 : x
  2. Step 2: Convert to fraction form
    66,301.20/99,451.80 = 44,042.40/x
  3. Step 3: Cross multiply
    66,301.20x = 99,451.80 × 44,042.40
  4. Step 4: Simplify right side
    66,301.20x = 4,380,095,956.32
  5. Step 5: Solve for x
    x = 4,380,095,956.32/66,301.20
  6. Step 6: Final answer
    x = 66,063.60

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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.