Home / 66,427.93-99,665.66-28,461.25

Finding the Fourth Proportional to 66,427.93, 99,665.66 and 28,461.25

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Solution

The fourth proportional to 66,427.93, 99,665.66 and 28,461.25 is: 42,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.93 : 99,665.66 = 28,461.25 : x
  2. Step 2: Convert to fraction form
    66,427.93/99,665.66 = 28,461.25/x
  3. Step 3: Cross multiply
    66,427.93x = 99,665.66 × 28,461.25
  4. Step 4: Simplify right side
    66,427.93x = 2,836,608,874.20
  5. Step 5: Solve for x
    x = 2,836,608,874.20/66,427.93
  6. Step 6: Final answer
    x = 42,702.05

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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.