Home / 99,971.56-149,883.26-60,519.34

Finding the Fourth Proportional to 99,971.56, 149,883.26 and 60,519.34

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Solution

The fourth proportional to 99,971.56, 149,883.26 and 60,519.34 is: 90,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,971.56 : 149,883.26 = 60,519.34 : x
  2. Step 2: Convert to fraction form
    99,971.56/149,883.26 = 60,519.34/x
  3. Step 3: Cross multiply
    99,971.56x = 149,883.26 × 60,519.34
  4. Step 4: Simplify right side
    99,971.56x = 9,070,835,972.25
  5. Step 5: Solve for x
    x = 9,070,835,972.25/99,971.56
  6. Step 6: Final answer
    x = 90,734.16

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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.