Home / 104,575.30-144,314.10-56,828.68

Finding the Fourth Proportional to 104,575.30, 144,314.10 and 56,828.68

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Solution

The fourth proportional to 104,575.30, 144,314.10 and 56,828.68 is: 78,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575.30 : 144,314.10 = 56,828.68 : x
  2. Step 2: Convert to fraction form
    104,575.30/144,314.10 = 56,828.68/x
  3. Step 3: Cross multiply
    104,575.30x = 144,314.10 × 56,828.68
  4. Step 4: Simplify right side
    104,575.30x = 8,201,179,808.39
  5. Step 5: Solve for x
    x = 8,201,179,808.39/104,575.30
  6. Step 6: Final answer
    x = 78,423.68

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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.