Home / 99,744.66-149,615.54-46,406.81

Finding the Fourth Proportional to 99,744.66, 149,615.54 and 46,406.81

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Solution

The fourth proportional to 99,744.66, 149,615.54 and 46,406.81 is: 69,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,744.66 : 149,615.54 = 46,406.81 : x
  2. Step 2: Convert to fraction form
    99,744.66/149,615.54 = 46,406.81/x
  3. Step 3: Cross multiply
    99,744.66x = 149,615.54 × 46,406.81
  4. Step 4: Simplify right side
    99,744.66x = 6,943,178,957.72
  5. Step 5: Solve for x
    x = 6,943,178,957.72/99,744.66
  6. Step 6: Final answer
    x = 69,609.53

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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.