Home / 66,618.08-99,897.84-35,445.92

Finding the Fourth Proportional to 66,618.08, 99,897.84 and 35,445.92

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Solution

The fourth proportional to 66,618.08, 99,897.84 and 35,445.92 is: 53,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,618.08 : 99,897.84 = 35,445.92 : x
  2. Step 2: Convert to fraction form
    66,618.08/99,897.84 = 35,445.92/x
  3. Step 3: Cross multiply
    66,618.08x = 99,897.84 × 35,445.92
  4. Step 4: Simplify right side
    66,618.08x = 3,540,970,844.81
  5. Step 5: Solve for x
    x = 3,540,970,844.81/66,618.08
  6. Step 6: Final answer
    x = 53,153.30

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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.