Home / 116,813.17-161,203.87-69,070.96

Finding the Fourth Proportional to 116,813.17, 161,203.87 and 69,070.96

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Solution

The fourth proportional to 116,813.17, 161,203.87 and 69,070.96 is: 95,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,813.17 : 161,203.87 = 69,070.96 : x
  2. Step 2: Convert to fraction form
    116,813.17/161,203.87 = 69,070.96/x
  3. Step 3: Cross multiply
    116,813.17x = 161,203.87 × 69,070.96
  4. Step 4: Simplify right side
    116,813.17x = 11,134,506,056.62
  5. Step 5: Solve for x
    x = 11,134,506,056.62/116,813.17
  6. Step 6: Final answer
    x = 95,318.93

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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.