Home / 84,333.78-116,405.10-48,549.06

Finding the Fourth Proportional to 84,333.78, 116,405.10 and 48,549.06

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Solution

The fourth proportional to 84,333.78, 116,405.10 and 48,549.06 is: 67,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,333.78 : 116,405.10 = 48,549.06 : x
  2. Step 2: Convert to fraction form
    84,333.78/116,405.10 = 48,549.06/x
  3. Step 3: Cross multiply
    84,333.78x = 116,405.10 × 48,549.06
  4. Step 4: Simplify right side
    84,333.78x = 5,651,358,184.21
  5. Step 5: Solve for x
    x = 5,651,358,184.21/84,333.78
  6. Step 6: Final answer
    x = 67,011.80

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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.