Home / 114,826.88-158,461.16-66,435.60

Finding the Fourth Proportional to 114,826.88, 158,461.16 and 66,435.60

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Solution

The fourth proportional to 114,826.88, 158,461.16 and 66,435.60 is: 91,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,826.88 : 158,461.16 = 66,435.60 : x
  2. Step 2: Convert to fraction form
    114,826.88/158,461.16 = 66,435.60/x
  3. Step 3: Cross multiply
    114,826.88x = 158,461.16 × 66,435.60
  4. Step 4: Simplify right side
    114,826.88x = 10,527,462,241.30
  5. Step 5: Solve for x
    x = 10,527,462,241.30/114,826.88
  6. Step 6: Final answer
    x = 91,681.17

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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.