Home / 96,406.40-144,639.14-43,143.20

Finding the Fourth Proportional to 96,406.40, 144,639.14 and 43,143.20

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Solution

The fourth proportional to 96,406.40, 144,639.14 and 43,143.20 is: 64,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,406.40 : 144,639.14 = 43,143.20 : x
  2. Step 2: Convert to fraction form
    96,406.40/144,639.14 = 43,143.20/x
  3. Step 3: Cross multiply
    96,406.40x = 144,639.14 × 43,143.20
  4. Step 4: Simplify right side
    96,406.40x = 6,240,194,948.33
  5. Step 5: Solve for x
    x = 6,240,194,948.33/96,406.40
  6. Step 6: Final answer
    x = 64,728.01

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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.