Home / 96,395.12-144,814.68-68,384.72

Finding the Fourth Proportional to 96,395.12, 144,814.68 and 68,384.72

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Solution

The fourth proportional to 96,395.12, 144,814.68 and 68,384.72 is: 102,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,395.12 : 144,814.68 = 68,384.72 : x
  2. Step 2: Convert to fraction form
    96,395.12/144,814.68 = 68,384.72/x
  3. Step 3: Cross multiply
    96,395.12x = 144,814.68 × 68,384.72
  4. Step 4: Simplify right side
    96,395.12x = 9,903,111,343.69
  5. Step 5: Solve for x
    x = 9,903,111,343.69/96,395.12
  6. Step 6: Final answer
    x = 102,734.57

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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.