Home / 84,487.64-116,618.92-48,701.58

Finding the Fourth Proportional to 84,487.64, 116,618.92 and 48,701.58

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Solution

The fourth proportional to 84,487.64, 116,618.92 and 48,701.58 is: 67,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,487.64 : 116,618.92 = 48,701.58 : x
  2. Step 2: Convert to fraction form
    84,487.64/116,618.92 = 48,701.58/x
  3. Step 3: Cross multiply
    84,487.64x = 116,618.92 × 48,701.58
  4. Step 4: Simplify right side
    84,487.64x = 5,679,525,661.89
  5. Step 5: Solve for x
    x = 5,679,525,661.89/84,487.64
  6. Step 6: Final answer
    x = 67,223.15

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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.