Home / 52,518.60-78,712.20-26,230.68

Finding the Fourth Proportional to 52,518.60, 78,712.20 and 26,230.68

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Solution

The fourth proportional to 52,518.60, 78,712.20 and 26,230.68 is: 39,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,518.60 : 78,712.20 = 26,230.68 : x
  2. Step 2: Convert to fraction form
    52,518.60/78,712.20 = 26,230.68/x
  3. Step 3: Cross multiply
    52,518.60x = 78,712.20 × 26,230.68
  4. Step 4: Simplify right side
    52,518.60x = 2,064,674,530.30
  5. Step 5: Solve for x
    x = 2,064,674,530.30/52,518.60
  6. Step 6: Final answer
    x = 39,313.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.