Home / 117,703.02-162,426.72-66,720.46

Finding the Fourth Proportional to 117,703.02, 162,426.72 and 66,720.46

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Solution

The fourth proportional to 117,703.02, 162,426.72 and 66,720.46 is: 92,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,703.02 : 162,426.72 = 66,720.46 : x
  2. Step 2: Convert to fraction form
    117,703.02/162,426.72 = 66,720.46/x
  3. Step 3: Cross multiply
    117,703.02x = 162,426.72 × 66,720.46
  4. Step 4: Simplify right side
    117,703.02x = 10,837,185,474.69
  5. Step 5: Solve for x
    x = 10,837,185,474.69/117,703.02
  6. Step 6: Final answer
    x = 92,072.28

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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.