Home / 104,607.04-144,351.72-56,860

Finding the Fourth Proportional to 104,607.04, 144,351.72 and 56,860

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Solution

The fourth proportional to 104,607.04, 144,351.72 and 56,860 is: 78,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,607.04 : 144,351.72 = 56,860 : x
  2. Step 2: Convert to fraction form
    104,607.04/144,351.72 = 56,860/x
  3. Step 3: Cross multiply
    104,607.04x = 144,351.72 × 56,860
  4. Step 4: Simplify right side
    104,607.04x = 8,207,838,799.20
  5. Step 5: Solve for x
    x = 8,207,838,799.20/104,607.04
  6. Step 6: Final answer
    x = 78,463.54

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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.