Home / 97,774.88-146,539.20-53,309.12

Finding the Fourth Proportional to 97,774.88, 146,539.20 and 53,309.12

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Solution

The fourth proportional to 97,774.88, 146,539.20 and 53,309.12 is: 79,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,774.88 : 146,539.20 = 53,309.12 : x
  2. Step 2: Convert to fraction form
    97,774.88/146,539.20 = 53,309.12/x
  3. Step 3: Cross multiply
    97,774.88x = 146,539.20 × 53,309.12
  4. Step 4: Simplify right side
    97,774.88x = 7,811,875,797.50
  5. Step 5: Solve for x
    x = 7,811,875,797.50/97,774.88
  6. Step 6: Final answer
    x = 79,896.55

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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.