Home / 104,424.80-144,106.56-56,678.16

Finding the Fourth Proportional to 104,424.80, 144,106.56 and 56,678.16

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Solution

The fourth proportional to 104,424.80, 144,106.56 and 56,678.16 is: 78,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.80 : 144,106.56 = 56,678.16 : x
  2. Step 2: Convert to fraction form
    104,424.80/144,106.56 = 56,678.16/x
  3. Step 3: Cross multiply
    104,424.80x = 144,106.56 × 56,678.16
  4. Step 4: Simplify right side
    104,424.80x = 8,167,694,664.73
  5. Step 5: Solve for x
    x = 8,167,694,664.73/104,424.80
  6. Step 6: Final answer
    x = 78,216.04

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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.