Home / 99,707.04-149,528.20-33,129.29

Finding the Fourth Proportional to 99,707.04, 149,528.20 and 33,129.29

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Solution

The fourth proportional to 99,707.04, 149,528.20 and 33,129.29 is: 49,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,707.04 : 149,528.20 = 33,129.29 : x
  2. Step 2: Convert to fraction form
    99,707.04/149,528.20 = 33,129.29/x
  3. Step 3: Cross multiply
    99,707.04x = 149,528.20 × 33,129.29
  4. Step 4: Simplify right side
    99,707.04x = 4,953,763,100.98
  5. Step 5: Solve for x
    x = 4,953,763,100.98/99,707.04
  6. Step 6: Final answer
    x = 49,683.18

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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.