Home / 66,570.87-99,887.18-29,126.01

Finding the Fourth Proportional to 66,570.87, 99,887.18 and 29,126.01

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Solution

The fourth proportional to 66,570.87, 99,887.18 and 29,126.01 is: 43,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570.87 : 99,887.18 = 29,126.01 : x
  2. Step 2: Convert to fraction form
    66,570.87/99,887.18 = 29,126.01/x
  3. Step 3: Cross multiply
    66,570.87x = 99,887.18 × 29,126.01
  4. Step 4: Simplify right side
    66,570.87x = 2,909,314,857.92
  5. Step 5: Solve for x
    x = 2,909,314,857.92/66,570.87
  6. Step 6: Final answer
    x = 43,702.52

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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.