Home / 105,431.04-157,757.04-63,336.60

Finding the Fourth Proportional to 105,431.04, 157,757.04 and 63,336.60

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Solution

The fourth proportional to 105,431.04, 157,757.04 and 63,336.60 is: 94,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,431.04 : 157,757.04 = 63,336.60 : x
  2. Step 2: Convert to fraction form
    105,431.04/157,757.04 = 63,336.60/x
  3. Step 3: Cross multiply
    105,431.04x = 157,757.04 × 63,336.60
  4. Step 4: Simplify right side
    105,431.04x = 9,991,794,539.66
  5. Step 5: Solve for x
    x = 9,991,794,539.66/105,431.04
  6. Step 6: Final answer
    x = 94,770.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.