Home / 96,406.90-144,639.89-43,143.70

Finding the Fourth Proportional to 96,406.90, 144,639.89 and 43,143.70

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Solution

The fourth proportional to 96,406.90, 144,639.89 and 43,143.70 is: 64,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,406.90 : 144,639.89 = 43,143.70 : x
  2. Step 2: Convert to fraction form
    96,406.90/144,639.89 = 43,143.70/x
  3. Step 3: Cross multiply
    96,406.90x = 144,639.89 × 43,143.70
  4. Step 4: Simplify right side
    96,406.90x = 6,240,300,022.19
  5. Step 5: Solve for x
    x = 6,240,300,022.19/96,406.90
  6. Step 6: Final answer
    x = 64,728.77

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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.