Home / 104,426.64-144,104.90-56,678.97

Finding the Fourth Proportional to 104,426.64, 144,104.90 and 56,678.97

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Solution

The fourth proportional to 104,426.64, 144,104.90 and 56,678.97 is: 78,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.64 : 144,104.90 = 56,678.97 : x
  2. Step 2: Convert to fraction form
    104,426.64/144,104.90 = 56,678.97/x
  3. Step 3: Cross multiply
    104,426.64x = 144,104.90 × 56,678.97
  4. Step 4: Simplify right side
    104,426.64x = 8,167,717,445.65
  5. Step 5: Solve for x
    x = 8,167,717,445.65/104,426.64
  6. Step 6: Final answer
    x = 78,214.88

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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.