Home / 93,796.20-129,438.54-51,354.36

Finding the Fourth Proportional to 93,796.20, 129,438.54 and 51,354.36

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Solution

The fourth proportional to 93,796.20, 129,438.54 and 51,354.36 is: 70,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,796.20 : 129,438.54 = 51,354.36 : x
  2. Step 2: Convert to fraction form
    93,796.20/129,438.54 = 51,354.36/x
  3. Step 3: Cross multiply
    93,796.20x = 129,438.54 × 51,354.36
  4. Step 4: Simplify right side
    93,796.20x = 6,647,233,381.03
  5. Step 5: Solve for x
    x = 6,647,233,381.03/93,796.20
  6. Step 6: Final answer
    x = 70,868.90

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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.