Home / 116,697.17-161,045.27-71,374.32

Finding the Fourth Proportional to 116,697.17, 161,045.27 and 71,374.32

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Solution

The fourth proportional to 116,697.17, 161,045.27 and 71,374.32 is: 98,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,697.17 : 161,045.27 = 71,374.32 : x
  2. Step 2: Convert to fraction form
    116,697.17/161,045.27 = 71,374.32/x
  3. Step 3: Cross multiply
    116,697.17x = 161,045.27 × 71,374.32
  4. Step 4: Simplify right side
    116,697.17x = 11,494,496,813.90
  5. Step 5: Solve for x
    x = 11,494,496,813.90/116,697.17
  6. Step 6: Final answer
    x = 98,498.51

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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.