Home / 66,772.12-92,104.64-52,410.36

Finding the Fourth Proportional to 66,772.12, 92,104.64 and 52,410.36

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Solution

The fourth proportional to 66,772.12, 92,104.64 and 52,410.36 is: 72,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,772.12 : 92,104.64 = 52,410.36 : x
  2. Step 2: Convert to fraction form
    66,772.12/92,104.64 = 52,410.36/x
  3. Step 3: Cross multiply
    66,772.12x = 92,104.64 × 52,410.36
  4. Step 4: Simplify right side
    66,772.12x = 4,827,237,340.07
  5. Step 5: Solve for x
    x = 4,827,237,340.07/66,772.12
  6. Step 6: Final answer
    x = 72,294.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.