Home / 66,679.06-99,949.47-31,592.02

Finding the Fourth Proportional to 66,679.06, 99,949.47 and 31,592.02

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Solution

The fourth proportional to 66,679.06, 99,949.47 and 31,592.02 is: 47,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,679.06 : 99,949.47 = 31,592.02 : x
  2. Step 2: Convert to fraction form
    66,679.06/99,949.47 = 31,592.02/x
  3. Step 3: Cross multiply
    66,679.06x = 99,949.47 × 31,592.02
  4. Step 4: Simplify right side
    66,679.06x = 3,157,605,655.23
  5. Step 5: Solve for x
    x = 3,157,605,655.23/66,679.06
  6. Step 6: Final answer
    x = 47,355.28

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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.