Home / 66,124.06-99,202.64-31,022.80

Finding the Fourth Proportional to 66,124.06, 99,202.64 and 31,022.80

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Solution

The fourth proportional to 66,124.06, 99,202.64 and 31,022.80 is: 46,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,124.06 : 99,202.64 = 31,022.80 : x
  2. Step 2: Convert to fraction form
    66,124.06/99,202.64 = 31,022.80/x
  3. Step 3: Cross multiply
    66,124.06x = 99,202.64 × 31,022.80
  4. Step 4: Simplify right side
    66,124.06x = 3,077,543,660.19
  5. Step 5: Solve for x
    x = 3,077,543,660.19/66,124.06
  6. Step 6: Final answer
    x = 46,541.96

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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.