Home / 66,663.06-99,908.73-31,525.26

Finding the Fourth Proportional to 66,663.06, 99,908.73 and 31,525.26

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Solution

The fourth proportional to 66,663.06, 99,908.73 and 31,525.26 is: 47,247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,663.06 : 99,908.73 = 31,525.26 : x
  2. Step 2: Convert to fraction form
    66,663.06/99,908.73 = 31,525.26/x
  3. Step 3: Cross multiply
    66,663.06x = 99,908.73 × 31,525.26
  4. Step 4: Simplify right side
    66,663.06x = 3,149,648,689.52
  5. Step 5: Solve for x
    x = 3,149,648,689.52/66,663.06
  6. Step 6: Final answer
    x = 47,247.29

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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.