Home / 66,337.65-99,519.60-18,953.15

Finding the Fourth Proportional to 66,337.65, 99,519.60 and 18,953.15

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Solution

The fourth proportional to 66,337.65, 99,519.60 and 18,953.15 is: 28,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.65 : 99,519.60 = 18,953.15 : x
  2. Step 2: Convert to fraction form
    66,337.65/99,519.60 = 18,953.15/x
  3. Step 3: Cross multiply
    66,337.65x = 99,519.60 × 18,953.15
  4. Step 4: Simplify right side
    66,337.65x = 1,886,209,906.74
  5. Step 5: Solve for x
    x = 1,886,209,906.74/66,337.65
  6. Step 6: Final answer
    x = 28,433.47

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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.