Home / 66,577.30-99,851.55-29,137.30

Finding the Fourth Proportional to 66,577.30, 99,851.55 and 29,137.30

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Solution

The fourth proportional to 66,577.30, 99,851.55 and 29,137.30 is: 43,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.30 : 99,851.55 = 29,137.30 : x
  2. Step 2: Convert to fraction form
    66,577.30/99,851.55 = 29,137.30/x
  3. Step 3: Cross multiply
    66,577.30x = 99,851.55 × 29,137.30
  4. Step 4: Simplify right side
    66,577.30x = 2,909,404,567.82
  5. Step 5: Solve for x
    x = 2,909,404,567.82/66,577.30
  6. Step 6: Final answer
    x = 43,699.65

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1.5x scale

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.