Home / 104,435.68-144,117.08-56,687.80

Finding the Fourth Proportional to 104,435.68, 144,117.08 and 56,687.80

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Solution

The fourth proportional to 104,435.68, 144,117.08 and 56,687.80 is: 78,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.68 : 144,117.08 = 56,687.80 : x
  2. Step 2: Convert to fraction form
    104,435.68/144,117.08 = 56,687.80/x
  3. Step 3: Cross multiply
    104,435.68x = 144,117.08 × 56,687.80
  4. Step 4: Simplify right side
    104,435.68x = 8,169,680,207.62
  5. Step 5: Solve for x
    x = 8,169,680,207.62/104,435.68
  6. Step 6: Final answer
    x = 78,226.91

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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.