Home / 99,765.30-149,573.55-60,314.10

Finding the Fourth Proportional to 99,765.30, 149,573.55 and 60,314.10

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Solution

The fourth proportional to 99,765.30, 149,573.55 and 60,314.10 is: 90,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,765.30 : 149,573.55 = 60,314.10 : x
  2. Step 2: Convert to fraction form
    99,765.30/149,573.55 = 60,314.10/x
  3. Step 3: Cross multiply
    99,765.30x = 149,573.55 × 60,314.10
  4. Step 4: Simplify right side
    99,765.30x = 9,021,394,052.06
  5. Step 5: Solve for x
    x = 9,021,394,052.06/99,765.30
  6. Step 6: Final answer
    x = 90,426.17

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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.