Home / 84,320.34-116,387.64-48,534.30

Finding the Fourth Proportional to 84,320.34, 116,387.64 and 48,534.30

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Solution

The fourth proportional to 84,320.34, 116,387.64 and 48,534.30 is: 66,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320.34 : 116,387.64 = 48,534.30 : x
  2. Step 2: Convert to fraction form
    84,320.34/116,387.64 = 48,534.30/x
  3. Step 3: Cross multiply
    84,320.34x = 116,387.64 × 48,534.30
  4. Step 4: Simplify right side
    84,320.34x = 5,648,792,636.05
  5. Step 5: Solve for x
    x = 5,648,792,636.05/84,320.34
  6. Step 6: Final answer
    x = 66,992.05

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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.