Home / 66,353.25-99,561.72-41,386.89

Finding the Fourth Proportional to 66,353.25, 99,561.72 and 41,386.89

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Solution

The fourth proportional to 66,353.25, 99,561.72 and 41,386.89 is: 62,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,353.25 : 99,561.72 = 41,386.89 : x
  2. Step 2: Convert to fraction form
    66,353.25/99,561.72 = 41,386.89/x
  3. Step 3: Cross multiply
    66,353.25x = 99,561.72 × 41,386.89
  4. Step 4: Simplify right side
    66,353.25x = 4,120,549,953.85
  5. Step 5: Solve for x
    x = 4,120,549,953.85/66,353.25
  6. Step 6: Final answer
    x = 62,100.20

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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.