Home / 84,241.60-116,158.63-68,880.22

Finding the Fourth Proportional to 84,241.60, 116,158.63 and 68,880.22

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Solution

The fourth proportional to 84,241.60, 116,158.63 and 68,880.22 is: 94,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,241.60 : 116,158.63 = 68,880.22 : x
  2. Step 2: Convert to fraction form
    84,241.60/116,158.63 = 68,880.22/x
  3. Step 3: Cross multiply
    84,241.60x = 116,158.63 × 68,880.22
  4. Step 4: Simplify right side
    84,241.60x = 8,001,031,989.30
  5. Step 5: Solve for x
    x = 8,001,031,989.30/84,241.60
  6. Step 6: Final answer
    x = 94,977.21

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1.5x scale

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.