Home / 104,569.20-144,305.68-56,823.12

Finding the Fourth Proportional to 104,569.20, 144,305.68 and 56,823.12

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Solution

The fourth proportional to 104,569.20, 144,305.68 and 56,823.12 is: 78,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,569.20 : 144,305.68 = 56,823.12 : x
  2. Step 2: Convert to fraction form
    104,569.20/144,305.68 = 56,823.12/x
  3. Step 3: Cross multiply
    104,569.20x = 144,305.68 × 56,823.12
  4. Step 4: Simplify right side
    104,569.20x = 8,199,898,971.32
  5. Step 5: Solve for x
    x = 8,199,898,971.32/104,569.20
  6. Step 6: Final answer
    x = 78,416.01

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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.