Home / 99,450.01-149,175.11-69,999.29

Finding the Fourth Proportional to 99,450.01, 149,175.11 and 69,999.29

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Solution

The fourth proportional to 99,450.01, 149,175.11 and 69,999.29 is: 104,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,450.01 : 149,175.11 = 69,999.29 : x
  2. Step 2: Convert to fraction form
    99,450.01/149,175.11 = 69,999.29/x
  3. Step 3: Cross multiply
    99,450.01x = 149,175.11 × 69,999.29
  4. Step 4: Simplify right side
    99,450.01x = 10,442,151,785.67
  5. Step 5: Solve for x
    x = 10,442,151,785.67/99,450.01
  6. Step 6: Final answer
    x = 104,999.00

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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.