Home / 116,984.64-161,438.81-63,269.66

Finding the Fourth Proportional to 116,984.64, 161,438.81 and 63,269.66

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Solution

The fourth proportional to 116,984.64, 161,438.81 and 63,269.66 is: 87,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,984.64 : 161,438.81 = 63,269.66 : x
  2. Step 2: Convert to fraction form
    116,984.64/161,438.81 = 63,269.66/x
  3. Step 3: Cross multiply
    116,984.64x = 161,438.81 × 63,269.66
  4. Step 4: Simplify right side
    116,984.64x = 10,214,178,101.36
  5. Step 5: Solve for x
    x = 10,214,178,101.36/116,984.64
  6. Step 6: Final answer
    x = 87,312.13

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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.