Home / 104,440.84-144,128.54-56,694.22

Finding the Fourth Proportional to 104,440.84, 144,128.54 and 56,694.22

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Solution

The fourth proportional to 104,440.84, 144,128.54 and 56,694.22 is: 78,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,440.84 : 144,128.54 = 56,694.22 : x
  2. Step 2: Convert to fraction form
    104,440.84/144,128.54 = 56,694.22/x
  3. Step 3: Cross multiply
    104,440.84x = 144,128.54 × 56,694.22
  4. Step 4: Simplify right side
    104,440.84x = 8,171,254,150.93
  5. Step 5: Solve for x
    x = 8,171,254,150.93/104,440.84
  6. Step 6: Final answer
    x = 78,238.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.