Home / 121,617.59-182,426.37-61,636.72

Finding the Fourth Proportional to 121,617.59, 182,426.37 and 61,636.72

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Solution

The fourth proportional to 121,617.59, 182,426.37 and 61,636.72 is: 92,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,617.59 : 182,426.37 = 61,636.72 : x
  2. Step 2: Convert to fraction form
    121,617.59/182,426.37 = 61,636.72/x
  3. Step 3: Cross multiply
    121,617.59x = 182,426.37 × 61,636.72
  4. Step 4: Simplify right side
    121,617.59x = 11,244,163,131.45
  5. Step 5: Solve for x
    x = 11,244,163,131.45/121,617.59
  6. Step 6: Final answer
    x = 92,455.07

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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.