Home / 99,513.23-149,103.45-43,268.99

Finding the Fourth Proportional to 99,513.23, 149,103.45 and 43,268.99

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Solution

The fourth proportional to 99,513.23, 149,103.45 and 43,268.99 is: 64,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513.23 : 149,103.45 = 43,268.99 : x
  2. Step 2: Convert to fraction form
    99,513.23/149,103.45 = 43,268.99/x
  3. Step 3: Cross multiply
    99,513.23x = 149,103.45 × 43,268.99
  4. Step 4: Simplify right side
    99,513.23x = 6,451,554,941.50
  5. Step 5: Solve for x
    x = 6,451,554,941.50/99,513.23
  6. Step 6: Final answer
    x = 64,831.13

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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.