Home / 66,207.08-99,254.64-28,738.82

Finding the Fourth Proportional to 66,207.08, 99,254.64 and 28,738.82

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Solution

The fourth proportional to 66,207.08, 99,254.64 and 28,738.82 is: 43,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.08 : 99,254.64 = 28,738.82 : x
  2. Step 2: Convert to fraction form
    66,207.08/99,254.64 = 28,738.82/x
  3. Step 3: Cross multiply
    66,207.08x = 99,254.64 × 28,738.82
  4. Step 4: Simplify right side
    66,207.08x = 2,852,461,233.12
  5. Step 5: Solve for x
    x = 2,852,461,233.12/66,207.08
  6. Step 6: Final answer
    x = 43,083.93

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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.